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CVE-2021-47100
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#I95RE3
CVE和安全问题
openeuler-ci-bot
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Opened this issue
2024-03-05 02:33
一、漏洞信息 漏洞编号：[CVE-2021-47100](https://nvd.nist.gov/vuln/detail/CVE-2021-47100) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0 CVSS V2.0分值： BaseScore：0.0 Low Vector：CVSS：2.0/ 漏洞简述： In the Linux kernel, the following vulnerability has been resolved:ipmi: Fix UAF when uninstall ipmi_si and ipmi_msghandler moduleHi,When testing install and uninstall of ipmi_si.ko and ipmi_msghandler.ko,the system crashed.The log as follows:[ 141.087026] BUG: unable to handle kernel paging request at ffffffffc09b3a5a[ 141.087241] PGD 8fe4c0d067 P4D 8fe4c0d067 PUD 8fe4c0f067 PMD 103ad89067 PTE 0[ 141.087464] Oops: 0010 [#1] SMP NOPTI[ 141.087580] CPU: 67 PID: 668 Comm: kworker/67:1 Kdump: loaded Not tainted 4.18.0.x86_64 #47[ 141.088009] Workqueue: events 0xffffffffc09b3a40[ 141.088009] RIP: 0010:0xffffffffc09b3a5a[ 141.088009] Code: Bad RIP value.[ 141.088009] RSP: 0018:ffffb9094e2c3e88 EFLAGS: 00010246[ 141.088009] RAX: 0000000000000000 RBX: ffff9abfdb1f04a0 RCX: 0000000000000000[ 141.088009] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 141.088009] RBP: 0000000000000000 R08: ffff9abfffee3cb8 R09: 00000000000002e1[ 141.088009] R10: ffffb9094cb73d90 R11: 00000000000f4240 R12: ffff9abfffee8700[ 141.088009] R13: 0000000000000000 R14: ffff9abfdb1f04a0 R15: ffff9abfdb1f04a8[ 141.088009] FS: 0000000000000000(0000) GS:ffff9abfffec0000(0000) knlGS:0000000000000000[ 141.088009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 141.088009] CR2: ffffffffc09b3a30 CR3: 0000008fe4c0a001 CR4: 00000000007606e0[ 141.088009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 141.088009] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 141.088009] PKRU: 55555554[ 141.088009] Call Trace:[ 141.088009] ? process_one_work+0x195/0x390[ 141.088009] ? worker_thread+0x30/0x390[ 141.088009] ? process_one_work+0x390/0x390[ 141.088009] ? kthread+0x10d/0x130[ 141.088009] ? kthread_flush_work_fn+0x10/0x10[ 141.088009] ? ret_from_fork+0x35/0x40] BUG: unable to handle kernel paging request at ffffffffc0b28a5a[ 200.223240] PGD 97fe00d067 P4D 97fe00d067 PUD 97fe00f067 PMD a580cbf067 PTE 0[ 200.223464] Oops: 0010 [#1] SMP NOPTI[ 200.223579] CPU: 63 PID: 664 Comm: kworker/63:1 Kdump: loaded Not tainted 4.18.0.x86_64 #46[ 200.224008] Workqueue: events 0xffffffffc0b28a40[ 200.224008] RIP: 0010:0xffffffffc0b28a5a[ 200.224008] Code: Bad RIP value.[ 200.224008] RSP: 0018:ffffbf3c8e2a3e88 EFLAGS: 00010246[ 200.224008] RAX: 0000000000000000 RBX: ffffa0799ad6bca0 RCX: 0000000000000000[ 200.224008] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 200.224008] RBP: 0000000000000000 R08: ffff9fe43fde3cb8 R09: 00000000000000d5[ 200.224008] R10: ffffbf3c8cb53d90 R11: 00000000000f4240 R12: ffff9fe43fde8700[ 200.224008] R13: 0000000000000000 R14: ffffa0799ad6bca0 R15: ffffa0799ad6bca8[ 200.224008] FS: 0000000000000000(0000) GS:ffff9fe43fdc0000(0000) knlGS:0000000000000000[ 200.224008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 200.224008] CR2: ffffffffc0b28a30 CR3: 00000097fe00a002 CR4: 00000000007606e0[ 200.224008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 200.224008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 200.224008] PKRU: 55555554[ 200.224008] Call Trace:[ 200.224008] ? process_one_work+0x195/0x390[ 200.224008] ? worker_thread+0x30/0x390[ 200.224008] ? process_one_work+0x390/0x390[ 200.224008] ? kthread+0x10d/0x130[ 200.224008] ? kthread_flush_work_fn+0x10/0x10[ 200.224008] ? ret_from_fork+0x35/0x40[ 200.224008] kernel fault(0x1) notification starting on CPU 63[ 200.224008] kernel fault(0x1) notification finished on CPU 63[ 200.224008] CR2: ffffffffc0b28a5a[ 200.224008] ---[ end trace c82a412d93f57412 ]---The reason is as follows:T1: rmmod ipmi_si. ->ipmi_unregister_smi() -> ipmi_bmc_unregister() -> __ipmi_bmc_unregister() -> kref_put(&bmc->usecount, cleanup_bmc_device); -> schedule_work(&bmc->remove_work);T2: rmmod ipmi_msghandl---truncated--- 漏洞公开时间：2024-03-05 02:15:08 漏洞创建时间：2024-03-05 02:33:58 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2021-47100 <details> <summary>更多参考(点击展开)</summary> | 参考来源 | 参考链接 | 来源链接 | | ------- | -------- | -------- | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | | | suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-47100 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2021-47100 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024030415-CVE-2021-47100-043d@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2267918 | | ubuntu | https://git.kernel.org/linus/ffb76a86f8096a8206be03b14adda6092e18e275 (5.16-rc7) | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://www.cve.org/CVERecord?id=CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://launchpad.net/bugs/cve/CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | cve_search | | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | | cve_search | | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | | cve_search | | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | | cve_search | | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | | cve_search | | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | | ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | </details> 漏洞分析指导链接： https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md 漏洞数据来源: openBrain开源漏洞感知系统 漏洞补丁信息： <details> <summary>详情(点击展开)</summary> | 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源 | | ------- | -------- | ------- | -------- | --------- | | linux | | https://git.kernel.org/linus/ffb76a86f8096a8206be03b14adda6092e18e275 | https://git.kernel.org/linus/b2cfd8ab4add53c2070367bfee2f5b738f51698d | ubuntu | </details> 二、漏洞分析结构反馈 影响性分析说明： In the Linux kernel, the following vulnerability has been resolved:ipmi: Fix UAF when uninstall ipmi_si and ipmi_msghandler moduleHi,When testing install and uninstall of ipmi_si.ko and ipmi_msghandler.ko,the system crashed.The log as follows:[ 141.087026] BUG: unable to handle kernel paging request at ffffffffc09b3a5a[ 141.087241] PGD 8fe4c0d067 P4D 8fe4c0d067 PUD 8fe4c0f067 PMD 103ad89067 PTE 0[ 141.087464] Oops: 0010 [#1] SMP NOPTI[ 141.087580] CPU: 67 PID: 668 Comm: kworker/67:1 Kdump: loaded Not tainted 4.18.0.x86_64 #47[ 141.088009] Workqueue: events 0xffffffffc09b3a40[ 141.088009] RIP: 0010:0xffffffffc09b3a5a[ 141.088009] Code: Bad RIP value.[ 141.088009] RSP: 0018:ffffb9094e2c3e88 EFLAGS: 00010246[ 141.088009] RAX: 0000000000000000 RBX: ffff9abfdb1f04a0 RCX: 0000000000000000[ 141.088009] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 141.088009] RBP: 0000000000000000 R08: ffff9abfffee3cb8 R09: 00000000000002e1[ 141.088009] R10: ffffb9094cb73d90 R11: 00000000000f4240 R12: ffff9abfffee8700[ 141.088009] R13: 0000000000000000 R14: ffff9abfdb1f04a0 R15: ffff9abfdb1f04a8[ 141.088009] FS: 0000000000000000(0000) GS:ffff9abfffec0000(0000) knlGS:0000000000000000[ 141.088009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 141.088009] CR2: ffffffffc09b3a30 CR3: 0000008fe4c0a001 CR4: 00000000007606e0[ 141.088009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 141.088009] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 141.088009] PKRU: 55555554[ 141.088009] Call Trace:[ 141.088009] ? process_one_work+0x195/0x390[ 141.088009] ? worker_thread+0x30/0x390[ 141.088009] ? process_one_work+0x390/0x390[ 141.088009] ? kthread+0x10d/0x130[ 141.088009] ? kthread_flush_work_fn+0x10/0x10[ 141.088009] ? ret_from_fork+0x35/0x40] BUG: unable to handle kernel paging request at ffffffffc0b28a5a[ 200.223240] PGD 97fe00d067 P4D 97fe00d067 PUD 97fe00f067 PMD a580cbf067 PTE 0[ 200.223464] Oops: 0010 [#1] SMP NOPTI[ 200.223579] CPU: 63 PID: 664 Comm: kworker/63:1 Kdump: loaded Not tainted 4.18.0.x86_64 #46[ 200.224008] Workqueue: events 0xffffffffc0b28a40[ 200.224008] RIP: 0010:0xffffffffc0b28a5a[ 200.224008] Code: Bad RIP value.[ 200.224008] RSP: 0018:ffffbf3c8e2a3e88 EFLAGS: 00010246[ 200.224008] RAX: 0000000000000000 RBX: ffffa0799ad6bca0 RCX: 0000000000000000[ 200.224008] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 200.224008] RBP: 0000000000000000 R08: ffff9fe43fde3cb8 R09: 00000000000000d5[ 200.224008] R10: ffffbf3c8cb53d90 R11: 00000000000f4240 R12: ffff9fe43fde8700[ 200.224008] R13: 0000000000000000 R14: ffffa0799ad6bca0 R15: ffffa0799ad6bca8[ 200.224008] FS: 0000000000000000(0000) GS:ffff9fe43fdc0000(0000) knlGS:0000000000000000[ 200.224008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 200.224008] CR2: ffffffffc0b28a30 CR3: 00000097fe00a002 CR4: 00000000007606e0[ 200.224008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 200.224008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 200.224008] PKRU: 55555554[ 200.224008] Call Trace:[ 200.224008] ? process_one_work+0x195/0x390[ 200.224008] ? worker_thread+0x30/0x390[ 200.224008] ? process_one_work+0x390/0x390[ 200.224008] ? kthread+0x10d/0x130[ 200.224008] ? kthread_flush_work_fn+0x10/0x10[ 200.224008] ? ret_from_fork+0x35/0x40[ 200.224008] kernel fault(0x1) notification starting on CPU 63[ 200.224008] kernel fault(0x1) notification finished on CPU 63[ 200.224008] CR2: ffffffffc0b28a5a[ 200.224008] ---[ end trace c82a412d93f57412 ]---The reason is as follows:T1: rmmod ipmi_si. ->ipmi_unregister_smi() -> ipmi_bmc_unregister() -> __ipmi_bmc_unregister() -> kref_put(&bmc->usecount, cleanup_bmc_device); -> schedule_work(&bmc->remove_work);T2: rmmod ipmi_msghandl---truncated--- openEuler评分： 4.4 Vector：CVSS：2.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H 受影响版本排查(受影响/不受影响)： 1.openEuler-20.03-LTS-SP1(4.19.90):受影响 2.openEuler-20.03-LTS-SP4(4.19.90):不受影响 3.openEuler-22.03-LTS(5.10.0):不受影响 4.openEuler-22.03-LTS-SP1(5.10.0):不受影响 5.openEuler-22.03-LTS-SP2(5.10.0):不受影响 6.openEuler-22.03-LTS-SP3(5.10.0):不受影响 7.master(6.1.0):不受影响 8.openEuler-22.03-LTS-Next(5.10.0):不受影响 9.openEuler-24.03-LTS:不受影响 10.openEuler-24.03-LTS-Next:不受影响 修复是否涉及abi变化(是/否)： 1.openEuler-20.03-LTS-SP1(4.19.90):否 2.openEuler-20.03-LTS-SP4(4.19.90):否 3.openEuler-22.03-LTS(5.10.0):否 4.openEuler-22.03-LTS-SP1(5.10.0):否 5.openEuler-22.03-LTS-SP2(5.10.0):否 6.openEuler-22.03-LTS-SP3(5.10.0):否 7.master(6.1.0):否 8.openEuler-22.03-LTS-Next(5.10.0):否 9.openEuler-24.03-LTS:否 10.openEuler-24.03-LTS-Next:否 三、漏洞修复 安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1535
一、漏洞信息 漏洞编号：[CVE-2021-47100](https://nvd.nist.gov/vuln/detail/CVE-2021-47100) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0 CVSS V2.0分值： BaseScore：0.0 Low Vector：CVSS：2.0/ 漏洞简述： In the Linux kernel, the following vulnerability has been resolved:ipmi: Fix UAF when uninstall ipmi_si and ipmi_msghandler moduleHi,When testing install and uninstall of ipmi_si.ko and ipmi_msghandler.ko,the system crashed.The log as follows:[ 141.087026] BUG: unable to handle kernel paging request at ffffffffc09b3a5a[ 141.087241] PGD 8fe4c0d067 P4D 8fe4c0d067 PUD 8fe4c0f067 PMD 103ad89067 PTE 0[ 141.087464] Oops: 0010 [#1] SMP NOPTI[ 141.087580] CPU: 67 PID: 668 Comm: kworker/67:1 Kdump: loaded Not tainted 4.18.0.x86_64 #47[ 141.088009] Workqueue: events 0xffffffffc09b3a40[ 141.088009] RIP: 0010:0xffffffffc09b3a5a[ 141.088009] Code: Bad RIP value.[ 141.088009] RSP: 0018:ffffb9094e2c3e88 EFLAGS: 00010246[ 141.088009] RAX: 0000000000000000 RBX: ffff9abfdb1f04a0 RCX: 0000000000000000[ 141.088009] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 141.088009] RBP: 0000000000000000 R08: ffff9abfffee3cb8 R09: 00000000000002e1[ 141.088009] R10: ffffb9094cb73d90 R11: 00000000000f4240 R12: ffff9abfffee8700[ 141.088009] R13: 0000000000000000 R14: ffff9abfdb1f04a0 R15: ffff9abfdb1f04a8[ 141.088009] FS: 0000000000000000(0000) GS:ffff9abfffec0000(0000) knlGS:0000000000000000[ 141.088009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 141.088009] CR2: ffffffffc09b3a30 CR3: 0000008fe4c0a001 CR4: 00000000007606e0[ 141.088009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 141.088009] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 141.088009] PKRU: 55555554[ 141.088009] Call Trace:[ 141.088009] ? process_one_work+0x195/0x390[ 141.088009] ? worker_thread+0x30/0x390[ 141.088009] ? process_one_work+0x390/0x390[ 141.088009] ? kthread+0x10d/0x130[ 141.088009] ? kthread_flush_work_fn+0x10/0x10[ 141.088009] ? ret_from_fork+0x35/0x40] BUG: unable to handle kernel paging request at ffffffffc0b28a5a[ 200.223240] PGD 97fe00d067 P4D 97fe00d067 PUD 97fe00f067 PMD a580cbf067 PTE 0[ 200.223464] Oops: 0010 [#1] SMP NOPTI[ 200.223579] CPU: 63 PID: 664 Comm: kworker/63:1 Kdump: loaded Not tainted 4.18.0.x86_64 #46[ 200.224008] Workqueue: events 0xffffffffc0b28a40[ 200.224008] RIP: 0010:0xffffffffc0b28a5a[ 200.224008] Code: Bad RIP value.[ 200.224008] RSP: 0018:ffffbf3c8e2a3e88 EFLAGS: 00010246[ 200.224008] RAX: 0000000000000000 RBX: ffffa0799ad6bca0 RCX: 0000000000000000[ 200.224008] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 200.224008] RBP: 0000000000000000 R08: ffff9fe43fde3cb8 R09: 00000000000000d5[ 200.224008] R10: ffffbf3c8cb53d90 R11: 00000000000f4240 R12: ffff9fe43fde8700[ 200.224008] R13: 0000000000000000 R14: ffffa0799ad6bca0 R15: ffffa0799ad6bca8[ 200.224008] FS: 0000000000000000(0000) GS:ffff9fe43fdc0000(0000) knlGS:0000000000000000[ 200.224008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 200.224008] CR2: ffffffffc0b28a30 CR3: 00000097fe00a002 CR4: 00000000007606e0[ 200.224008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 200.224008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 200.224008] PKRU: 55555554[ 200.224008] Call Trace:[ 200.224008] ? process_one_work+0x195/0x390[ 200.224008] ? worker_thread+0x30/0x390[ 200.224008] ? process_one_work+0x390/0x390[ 200.224008] ? kthread+0x10d/0x130[ 200.224008] ? kthread_flush_work_fn+0x10/0x10[ 200.224008] ? ret_from_fork+0x35/0x40[ 200.224008] kernel fault(0x1) notification starting on CPU 63[ 200.224008] kernel fault(0x1) notification finished on CPU 63[ 200.224008] CR2: ffffffffc0b28a5a[ 200.224008] ---[ end trace c82a412d93f57412 ]---The reason is as follows:T1: rmmod ipmi_si. ->ipmi_unregister_smi() -> ipmi_bmc_unregister() -> __ipmi_bmc_unregister() -> kref_put(&bmc->usecount, cleanup_bmc_device); -> schedule_work(&bmc->remove_work);T2: rmmod ipmi_msghandl---truncated--- 漏洞公开时间：2024-03-05 02:15:08 漏洞创建时间：2024-03-05 02:33:58 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2021-47100 <details> <summary>更多参考(点击展开)</summary> | 参考来源 | 参考链接 | 来源链接 | | ------- | -------- | -------- | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | | | suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-47100 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2021-47100 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | suse_bugzilla | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | https://bugzilla.suse.com/show_bug.cgi?id=1220985 | | redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024030415-CVE-2021-47100-043d@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2267918 | | ubuntu | https://git.kernel.org/linus/ffb76a86f8096a8206be03b14adda6092e18e275 (5.16-rc7) | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://www.cve.org/CVERecord?id=CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://launchpad.net/bugs/cve/CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | | cve_search | | https://git.kernel.org/stable/c/925229d552724e1bba1abf01d3a0b1318539b012 | | cve_search | | https://git.kernel.org/stable/c/992649b8b16843d27eb39ceea5f9cf85ffb50a18 | | cve_search | | https://git.kernel.org/stable/c/6809da5185141e61401da5b01896b79a4deed1ad | | cve_search | | https://git.kernel.org/stable/c/6b3f7e4b10f343f05b5fb513b07a9168fbf1172e | | cve_search | | https://git.kernel.org/stable/c/ffb76a86f8096a8206be03b14adda6092e18e275 | | ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-47100 | https://ubuntu.com/security/CVE-2021-47100 | </details> 漏洞分析指导链接： https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md 漏洞数据来源: openBrain开源漏洞感知系统 漏洞补丁信息： <details> <summary>详情(点击展开)</summary> | 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源 | | ------- | -------- | ------- | -------- | --------- | | linux | | https://git.kernel.org/linus/ffb76a86f8096a8206be03b14adda6092e18e275 | https://git.kernel.org/linus/b2cfd8ab4add53c2070367bfee2f5b738f51698d | ubuntu | </details> 二、漏洞分析结构反馈 影响性分析说明： In the Linux kernel, the following vulnerability has been resolved:ipmi: Fix UAF when uninstall ipmi_si and ipmi_msghandler moduleHi,When testing install and uninstall of ipmi_si.ko and ipmi_msghandler.ko,the system crashed.The log as follows:[ 141.087026] BUG: unable to handle kernel paging request at ffffffffc09b3a5a[ 141.087241] PGD 8fe4c0d067 P4D 8fe4c0d067 PUD 8fe4c0f067 PMD 103ad89067 PTE 0[ 141.087464] Oops: 0010 [#1] SMP NOPTI[ 141.087580] CPU: 67 PID: 668 Comm: kworker/67:1 Kdump: loaded Not tainted 4.18.0.x86_64 #47[ 141.088009] Workqueue: events 0xffffffffc09b3a40[ 141.088009] RIP: 0010:0xffffffffc09b3a5a[ 141.088009] Code: Bad RIP value.[ 141.088009] RSP: 0018:ffffb9094e2c3e88 EFLAGS: 00010246[ 141.088009] RAX: 0000000000000000 RBX: ffff9abfdb1f04a0 RCX: 0000000000000000[ 141.088009] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 141.088009] RBP: 0000000000000000 R08: ffff9abfffee3cb8 R09: 00000000000002e1[ 141.088009] R10: ffffb9094cb73d90 R11: 00000000000f4240 R12: ffff9abfffee8700[ 141.088009] R13: 0000000000000000 R14: ffff9abfdb1f04a0 R15: ffff9abfdb1f04a8[ 141.088009] FS: 0000000000000000(0000) GS:ffff9abfffec0000(0000) knlGS:0000000000000000[ 141.088009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 141.088009] CR2: ffffffffc09b3a30 CR3: 0000008fe4c0a001 CR4: 00000000007606e0[ 141.088009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 141.088009] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 141.088009] PKRU: 55555554[ 141.088009] Call Trace:[ 141.088009] ? process_one_work+0x195/0x390[ 141.088009] ? worker_thread+0x30/0x390[ 141.088009] ? process_one_work+0x390/0x390[ 141.088009] ? kthread+0x10d/0x130[ 141.088009] ? kthread_flush_work_fn+0x10/0x10[ 141.088009] ? ret_from_fork+0x35/0x40] BUG: unable to handle kernel paging request at ffffffffc0b28a5a[ 200.223240] PGD 97fe00d067 P4D 97fe00d067 PUD 97fe00f067 PMD a580cbf067 PTE 0[ 200.223464] Oops: 0010 [#1] SMP NOPTI[ 200.223579] CPU: 63 PID: 664 Comm: kworker/63:1 Kdump: loaded Not tainted 4.18.0.x86_64 #46[ 200.224008] Workqueue: events 0xffffffffc0b28a40[ 200.224008] RIP: 0010:0xffffffffc0b28a5a[ 200.224008] Code: Bad RIP value.[ 200.224008] RSP: 0018:ffffbf3c8e2a3e88 EFLAGS: 00010246[ 200.224008] RAX: 0000000000000000 RBX: ffffa0799ad6bca0 RCX: 0000000000000000[ 200.224008] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246[ 200.224008] RBP: 0000000000000000 R08: ffff9fe43fde3cb8 R09: 00000000000000d5[ 200.224008] R10: ffffbf3c8cb53d90 R11: 00000000000f4240 R12: ffff9fe43fde8700[ 200.224008] R13: 0000000000000000 R14: ffffa0799ad6bca0 R15: ffffa0799ad6bca8[ 200.224008] FS: 0000000000000000(0000) GS:ffff9fe43fdc0000(0000) knlGS:0000000000000000[ 200.224008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 200.224008] CR2: ffffffffc0b28a30 CR3: 00000097fe00a002 CR4: 00000000007606e0[ 200.224008] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000[ 200.224008] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400[ 200.224008] PKRU: 55555554[ 200.224008] Call Trace:[ 200.224008] ? process_one_work+0x195/0x390[ 200.224008] ? worker_thread+0x30/0x390[ 200.224008] ? process_one_work+0x390/0x390[ 200.224008] ? kthread+0x10d/0x130[ 200.224008] ? kthread_flush_work_fn+0x10/0x10[ 200.224008] ? ret_from_fork+0x35/0x40[ 200.224008] kernel fault(0x1) notification starting on CPU 63[ 200.224008] kernel fault(0x1) notification finished on CPU 63[ 200.224008] CR2: ffffffffc0b28a5a[ 200.224008] ---[ end trace c82a412d93f57412 ]---The reason is as follows:T1: rmmod ipmi_si. ->ipmi_unregister_smi() -> ipmi_bmc_unregister() -> __ipmi_bmc_unregister() -> kref_put(&bmc->usecount, cleanup_bmc_device); -> schedule_work(&bmc->remove_work);T2: rmmod ipmi_msghandl---truncated--- openEuler评分： 4.4 Vector：CVSS：2.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H 受影响版本排查(受影响/不受影响)： 1.openEuler-20.03-LTS-SP1(4.19.90):受影响 2.openEuler-20.03-LTS-SP4(4.19.90):不受影响 3.openEuler-22.03-LTS(5.10.0):不受影响 4.openEuler-22.03-LTS-SP1(5.10.0):不受影响 5.openEuler-22.03-LTS-SP2(5.10.0):不受影响 6.openEuler-22.03-LTS-SP3(5.10.0):不受影响 7.master(6.1.0):不受影响 8.openEuler-22.03-LTS-Next(5.10.0):不受影响 9.openEuler-24.03-LTS:不受影响 10.openEuler-24.03-LTS-Next:不受影响 修复是否涉及abi变化(是/否)： 1.openEuler-20.03-LTS-SP1(4.19.90):否 2.openEuler-20.03-LTS-SP4(4.19.90):否 3.openEuler-22.03-LTS(5.10.0):否 4.openEuler-22.03-LTS-SP1(5.10.0):否 5.openEuler-22.03-LTS-SP2(5.10.0):否 6.openEuler-22.03-LTS-SP3(5.10.0):否 7.master(6.1.0):否 8.openEuler-22.03-LTS-Next(5.10.0):否 9.openEuler-24.03-LTS:否 10.openEuler-24.03-LTS-Next:否 三、漏洞修复 安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1535
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