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CVE-2022-48785
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#IADGSA
CVE和安全问题
openeuler-ci-bot
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2024-07-17 03:21
一、漏洞信息 漏洞编号：[CVE-2022-48785](https://nvd.nist.gov/vuln/detail/CVE-2022-48785) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0 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:ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()Some time ago 8965779d2c0e ( ipv6,mcast: always hold idev->lock before mca_lock )switched ipv6_get_lladdr() to __ipv6_get_lladdr(), which is rcu-unsafeversion. That was OK, because idev->lock was held for these codepaths.In 88e2ca308094 ( mld: convert ifmcaddr6 to RCU ) these external locks wereremoved, so we probably need to restore the original rcu-safe call.Otherwise, we occasionally get a machine crashed/stalled with the followingin dmesg:[ 3405.966610][T230589] general protection fault, probably for non-canonical address 0xdead00000000008c: 0000 [#1] SMP NOPTI[ 3405.982083][T230589] CPU: 44 PID: 230589 Comm: kworker/44:3 Tainted: G O 5.15.19-cloudflare-2022.2.1 #1[ 3405.998061][T230589] Hardware name: SUPA-COOL-SERV[ 3406.009552][T230589] Workqueue: mld mld_ifc_work[ 3406.017224][T230589] RIP: 0010:__ipv6_get_lladdr+0x34/0x60[ 3406.025780][T230589] Code: 57 10 48 83 c7 08 48 89 e5 48 39 d7 74 3e 48 8d 82 38 ff ff ff eb 13 48 8b 90 d0 00 00 00 48 8d 82 38 ff ff ff 48 39 d7 74 22 <66> 83 78 32 20 77 1b 75 e4 89 ca 23 50 2c 75 dd 48 8b 50 08 48 8b[ 3406.055748][T230589] RSP: 0018:ffff94e4b3fc3d10 EFLAGS: 00010202[ 3406.065617][T230589] RAX: dead00000000005a RBX: ffff94e4b3fc3d30 RCX: 0000000000000040[ 3406.077477][T230589] RDX: dead000000000122 RSI: ffff94e4b3fc3d30 RDI: ffff8c3a31431008[ 3406.089389][T230589] RBP: ffff94e4b3fc3d10 R08: 0000000000000000 R09: 0000000000000000[ 3406.101445][T230589] R10: ffff8c3a31430000 R11: 000000000000000b R12: ffff8c2c37887100[ 3406.113553][T230589] R13: ffff8c3a39537000 R14: 00000000000005dc R15: ffff8c3a31431000[ 3406.125730][T230589] FS: 0000000000000000(0000) GS:ffff8c3b9fc80000(0000) knlGS:0000000000000000[ 3406.138992][T230589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 3406.149895][T230589] CR2: 00007f0dfea1db60 CR3: 000000387b5f2000 CR4: 0000000000350ee0[ 3406.162421][T230589] Call Trace:[ 3406.170235][T230589] <TASK>[ 3406.177736][T230589] mld_newpack+0xfe/0x1a0[ 3406.186686][T230589] add_grhead+0x87/0xa0[ 3406.195498][T230589] add_grec+0x485/0x4e0[ 3406.204310][T230589] ? newidle_balance+0x126/0x3f0[ 3406.214024][T230589] mld_ifc_work+0x15d/0x450[ 3406.223279][T230589] process_one_work+0x1e6/0x380[ 3406.232982][T230589] worker_thread+0x50/0x3a0[ 3406.242371][T230589] ? rescuer_thread+0x360/0x360[ 3406.252175][T230589] kthread+0x127/0x150[ 3406.261197][T230589] ? set_kthread_struct+0x40/0x40[ 3406.271287][T230589] ret_from_fork+0x22/0x30[ 3406.280812][T230589] </TASK>[ 3406.288937][T230589] Modules linked in: ... [last unloaded: kheaders][ 3406.476714][T230589] ---[ end trace 3525a7655f2f3b9e ]--- 漏洞公开时间：2024-07-16 20:15:03 漏洞创建时间：2024-07-17 03:21:57 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2022-48785 <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/26394fc118d6115390bd5b3a0fb17096271da227 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/27f567c84f446048670376827e356f9c92033bf9 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/3e11ef1903cf6c2fba35594b193a3570854d9e9e | | | suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48785 | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48785.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/stable/c/3e11ef1903cf6c2fba35594b193a3570854d9e9e | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/stable/c/27f567c84f446048670376827e356f9c92033bf9 | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/stable/c/26394fc118d6115390bd5b3a0fb17096271da227 | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | ubuntu | https://www.cve.org/CVERecord?id=CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/linus/26394fc118d6115390bd5b3a0fb17096271da227 (5.17-rc5) | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/stable/c/3e11ef1903cf6c2fba35594b193a3570854d9e9e | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/stable/c/27f567c84f446048670376827e356f9c92033bf9 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/stable/c/26394fc118d6115390bd5b3a0fb17096271da227 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://launchpad.net/bugs/cve/CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | </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: 其它 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/26394fc118d6115390bd5b3a0fb17096271da227 | https://git.kernel.org/linus/88e2ca3080947fe22eb520c1f8231e79a105d011 | ubuntu | </details> 二、漏洞分析结构反馈 影响性分析说明： Reserved. openEuler评分： 3.9 Vector：CVSS：2.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L 受影响版本排查(受影响/不受影响)： 1.openEuler-20.03-LTS-SP4(4.19.90):不受影响 2.openEuler-22.03-LTS-SP1(5.10.0):不受影响 3.openEuler-22.03-LTS-SP3(5.10.0):不受影响 4.openEuler-22.03-LTS-SP4(5.10.0):不受影响 5.master(6.1.0):不受影响 6.openEuler-24.03-LTS(6.6.0):不受影响 7.openEuler-24.03-LTS-Next(6.6.0):不受影响 修复是否涉及abi变化(是/否)： 1.openEuler-20.03-LTS-SP4(4.19.90):否 2.openEuler-22.03-LTS-SP1(5.10.0):否 3.openEuler-22.03-LTS-SP3(5.10.0):否 4.master(6.1.0):否 5.openEuler-24.03-LTS(6.6.0):否 6.openEuler-24.03-LTS-Next(6.6.0):否 7.openEuler-22.03-LTS-SP4(5.10.0):否
一、漏洞信息 漏洞编号：[CVE-2022-48785](https://nvd.nist.gov/vuln/detail/CVE-2022-48785) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0 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:ipv6: mcast: use rcu-safe version of ipv6_get_lladdr()Some time ago 8965779d2c0e ( ipv6,mcast: always hold idev->lock before mca_lock )switched ipv6_get_lladdr() to __ipv6_get_lladdr(), which is rcu-unsafeversion. That was OK, because idev->lock was held for these codepaths.In 88e2ca308094 ( mld: convert ifmcaddr6 to RCU ) these external locks wereremoved, so we probably need to restore the original rcu-safe call.Otherwise, we occasionally get a machine crashed/stalled with the followingin dmesg:[ 3405.966610][T230589] general protection fault, probably for non-canonical address 0xdead00000000008c: 0000 [#1] SMP NOPTI[ 3405.982083][T230589] CPU: 44 PID: 230589 Comm: kworker/44:3 Tainted: G O 5.15.19-cloudflare-2022.2.1 #1[ 3405.998061][T230589] Hardware name: SUPA-COOL-SERV[ 3406.009552][T230589] Workqueue: mld mld_ifc_work[ 3406.017224][T230589] RIP: 0010:__ipv6_get_lladdr+0x34/0x60[ 3406.025780][T230589] Code: 57 10 48 83 c7 08 48 89 e5 48 39 d7 74 3e 48 8d 82 38 ff ff ff eb 13 48 8b 90 d0 00 00 00 48 8d 82 38 ff ff ff 48 39 d7 74 22 <66> 83 78 32 20 77 1b 75 e4 89 ca 23 50 2c 75 dd 48 8b 50 08 48 8b[ 3406.055748][T230589] RSP: 0018:ffff94e4b3fc3d10 EFLAGS: 00010202[ 3406.065617][T230589] RAX: dead00000000005a RBX: ffff94e4b3fc3d30 RCX: 0000000000000040[ 3406.077477][T230589] RDX: dead000000000122 RSI: ffff94e4b3fc3d30 RDI: ffff8c3a31431008[ 3406.089389][T230589] RBP: ffff94e4b3fc3d10 R08: 0000000000000000 R09: 0000000000000000[ 3406.101445][T230589] R10: ffff8c3a31430000 R11: 000000000000000b R12: ffff8c2c37887100[ 3406.113553][T230589] R13: ffff8c3a39537000 R14: 00000000000005dc R15: ffff8c3a31431000[ 3406.125730][T230589] FS: 0000000000000000(0000) GS:ffff8c3b9fc80000(0000) knlGS:0000000000000000[ 3406.138992][T230589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 3406.149895][T230589] CR2: 00007f0dfea1db60 CR3: 000000387b5f2000 CR4: 0000000000350ee0[ 3406.162421][T230589] Call Trace:[ 3406.170235][T230589] <TASK>[ 3406.177736][T230589] mld_newpack+0xfe/0x1a0[ 3406.186686][T230589] add_grhead+0x87/0xa0[ 3406.195498][T230589] add_grec+0x485/0x4e0[ 3406.204310][T230589] ? newidle_balance+0x126/0x3f0[ 3406.214024][T230589] mld_ifc_work+0x15d/0x450[ 3406.223279][T230589] process_one_work+0x1e6/0x380[ 3406.232982][T230589] worker_thread+0x50/0x3a0[ 3406.242371][T230589] ? rescuer_thread+0x360/0x360[ 3406.252175][T230589] kthread+0x127/0x150[ 3406.261197][T230589] ? set_kthread_struct+0x40/0x40[ 3406.271287][T230589] ret_from_fork+0x22/0x30[ 3406.280812][T230589] </TASK>[ 3406.288937][T230589] Modules linked in: ... [last unloaded: kheaders][ 3406.476714][T230589] ---[ end trace 3525a7655f2f3b9e ]--- 漏洞公开时间：2024-07-16 20:15:03 漏洞创建时间：2024-07-17 03:21:57 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2022-48785 <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/26394fc118d6115390bd5b3a0fb17096271da227 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/27f567c84f446048670376827e356f9c92033bf9 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/3e11ef1903cf6c2fba35594b193a3570854d9e9e | | | suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48785 | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48785.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/stable/c/3e11ef1903cf6c2fba35594b193a3570854d9e9e | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/stable/c/27f567c84f446048670376827e356f9c92033bf9 | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | suse_bugzilla | https://git.kernel.org/stable/c/26394fc118d6115390bd5b3a0fb17096271da227 | https://bugzilla.suse.com/show_bug.cgi?id=1227927 | | ubuntu | https://www.cve.org/CVERecord?id=CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/linus/26394fc118d6115390bd5b3a0fb17096271da227 (5.17-rc5) | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/stable/c/3e11ef1903cf6c2fba35594b193a3570854d9e9e | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/stable/c/27f567c84f446048670376827e356f9c92033bf9 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://git.kernel.org/stable/c/26394fc118d6115390bd5b3a0fb17096271da227 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://launchpad.net/bugs/cve/CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | | ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-48785 | https://ubuntu.com/security/CVE-2022-48785 | </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: 其它 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/26394fc118d6115390bd5b3a0fb17096271da227 | https://git.kernel.org/linus/88e2ca3080947fe22eb520c1f8231e79a105d011 | ubuntu | </details> 二、漏洞分析结构反馈 影响性分析说明： Reserved. openEuler评分： 3.9 Vector：CVSS：2.0/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L 受影响版本排查(受影响/不受影响)： 1.openEuler-20.03-LTS-SP4(4.19.90):不受影响 2.openEuler-22.03-LTS-SP1(5.10.0):不受影响 3.openEuler-22.03-LTS-SP3(5.10.0):不受影响 4.openEuler-22.03-LTS-SP4(5.10.0):不受影响 5.master(6.1.0):不受影响 6.openEuler-24.03-LTS(6.6.0):不受影响 7.openEuler-24.03-LTS-Next(6.6.0):不受影响 修复是否涉及abi变化(是/否)： 1.openEuler-20.03-LTS-SP4(4.19.90):否 2.openEuler-22.03-LTS-SP1(5.10.0):否 3.openEuler-22.03-LTS-SP3(5.10.0):否 4.master(6.1.0):否 5.openEuler-24.03-LTS(6.6.0):否 6.openEuler-24.03-LTS-Next(6.6.0):否 7.openEuler-22.03-LTS-SP4(5.10.0):否
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