CVE-2022-48918

一、漏洞信息
 漏洞编号：[CVE-2022-48918](https://nvd.nist.gov/vuln/detail/CVE-2022-48918)
 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 V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:iwlwifi: mvm: check debugfs_dir ptr before useWhen  debugfs=off  is used on the kernel command line, iwiwifi smvm module uses an invalid/unchecked debugfs_dir pointer and causesa BUG: BUG: kernel NULL pointer dereference, address: 000000000000004f #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 503 Comm: modprobe Tainted: G        W         5.17.0-rc5 #7 Hardware name: Dell Inc. Inspiron 15 5510/076F7Y, BIOS 2.4.1 11/05/2021 RIP: 0010:iwl_mvm_dbgfs_register+0x692/0x700 [iwlmvm] Code: 69 a0 be 80 01 00 00 48 c7 c7 50 73 6a a0 e8 95 cf ee e0 48 8b 83 b0 1e 00 00 48 c7 c2 54 73 6a a0 be 64 00 00 00 48 8d 7d 8c <48> 8b 48 50 e8 15 22 07 e1 48 8b 43 28 48 8d 55 8c 48 c7 c7 5f 73 RSP: 0018:ffffc90000a0ba68 EFLAGS: 00010246 RAX: ffffffffffffffff RBX: ffff88817d6e3328 RCX: ffff88817d6e3328 RDX: ffffffffa06a7354 RSI: 0000000000000064 RDI: ffffc90000a0ba6c RBP: ffffc90000a0bae0 R08: ffffffff824e4880 R09: ffffffffa069d620 R10: ffffc90000a0ba00 R11: ffffffffffffffff R12: 0000000000000000 R13: ffffc90000a0bb28 R14: ffff88817d6e3328 R15: ffff88817d6e3320 FS:  00007f64dd92d740(0000) GS:ffff88847f640000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000004f CR3: 000000016fc79001 CR4: 0000000000770ee0 PKRU: 55555554 Call Trace:  <TASK>  ? iwl_mvm_mac_setup_register+0xbdc/0xda0 [iwlmvm]  iwl_mvm_start_post_nvm+0x71/0x100 [iwlmvm]  iwl_op_mode_mvm_start+0xab8/0xb30 [iwlmvm]  _iwl_op_mode_start+0x6f/0xd0 [iwlwifi]  iwl_opmode_register+0x6a/0xe0 [iwlwifi]  ? 0xffffffffa0231000  iwl_mvm_init+0x35/0x1000 [iwlmvm]  ? 0xffffffffa0231000  do_one_initcall+0x5a/0x1b0  ? kmem_cache_alloc+0x1e5/0x2f0  ? do_init_module+0x1e/0x220  do_init_module+0x48/0x220  load_module+0x2602/0x2bc0  ? __kernel_read+0x145/0x2e0  ? kernel_read_file+0x229/0x290  __do_sys_finit_module+0xc5/0x130  ? __do_sys_finit_module+0xc5/0x130  __x64_sys_finit_module+0x13/0x20  do_syscall_64+0x38/0x90  entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f64dda564dd Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b 29 0f 00 f7 d8 64 89 01 48 RSP: 002b:00007ffdba393f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64dda564dd RDX: 0000000000000000 RSI: 00005575399e2ab2 RDI: 0000000000000001 RBP: 000055753a91c5e0 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000246 R12: 00005575399e2ab2 R13: 000055753a91ceb0 R14: 0000000000000000 R15: 000055753a923018  </TASK> Modules linked in: btintel(+) btmtk bluetooth vfat snd_hda_codec_hdmi fat snd_hda_codec_realtek snd_hda_codec_generic iwlmvm(+) snd_sof_pci_intel_tgl mac80211 snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence soundwire_bus snd_sof_intel_hda snd_sof_pci snd_sof snd_sof_xtensa_dsp snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core btrfs snd_compress snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec raid6_pq iwlwifi snd_hda_core snd_pcm snd_timer snd soundcore cfg80211 intel_ish_ipc(+) thunderbolt rfkill intel_ishtp ucsi_acpi wmi i2c_hid_acpi i2c_hid evdev CR2: 000000000000004f ---[ end trace 0000000000000000 ]---Check the debugfs_dir pointer for an error before using it.[change to make both conditional]
 漏洞公开时间：2024-08-22 10:15:05
 漏洞创建时间：2024-08-22 20:31:22
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2022-48918
<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/5a6248c0a22352f09ea041665d3bd3e18f6f872c |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7ba |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48918 | https://bugzilla.suse.com/show_bug.cgi?id=1229636 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2022-48918 | https://bugzilla.suse.com/show_bug.cgi?id=1229636 |
| suse_bugzilla | https://git.kernel.org/stable/c/5a6248c0a22352f09ea041665d3bd3e18f6f872c | https://bugzilla.suse.com/show_bug.cgi?id=1229636 |
| suse_bugzilla | https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653b | https://bugzilla.suse.com/show_bug.cgi?id=1229636 |
| suse_bugzilla | https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7ba | https://bugzilla.suse.com/show_bug.cgi?id=1229636 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48918.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1229636 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2022-48918 | https://ubuntu.com/security/CVE-2022-48918 |
| ubuntu | https://git.kernel.org/linus/5a6248c0a22352f09ea041665d3bd3e18f6f872c (5.17-rc7) | https://ubuntu.com/security/CVE-2022-48918 |
| ubuntu | https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653b | https://ubuntu.com/security/CVE-2022-48918 |
| ubuntu | https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7ba | https://ubuntu.com/security/CVE-2022-48918 |
| ubuntu | https://git.kernel.org/stable/c/5a6248c0a22352f09ea041665d3bd3e18f6f872c | https://ubuntu.com/security/CVE-2022-48918 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-48918 | https://ubuntu.com/security/CVE-2022-48918 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2022-48918 | https://ubuntu.com/security/CVE-2022-48918 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-48918 | https://ubuntu.com/security/CVE-2022-48918 |

</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  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://git.kernel.org/stable/c/5a6248c0a22352f09ea041665d3bd3e18f6f872c |  | nvd |
|  |  | https://git.kernel.org/stable/c/7de1ed755e1ace30d97a724bad32452ed86b653b |  | nvd |
|  |  | https://git.kernel.org/stable/c/fe51975ff13831e794e1bcd0039b305dcad3d7ba |  | nvd |
| linux |  | https://git.kernel.org/linus/5a6248c0a22352f09ea041665d3bd3e18f6f872c | https://git.kernel.org/linus/8c082a99edb997d7999eb7cdb648e47a2bf4a638 | 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:iwlwifi: mvm: check debugfs_dir ptr before useWhen  debugfs=off  is used on the kernel command line, iwiwifi smvm module uses an invalid/unchecked debugfs_dir pointer and causesa BUG: BUG: kernel NULL pointer dereference, address: 000000000000004f #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 1 PID: 503 Comm: modprobe Tainted: G        W         5.17.0-rc5 #7 Hardware name: Dell Inc. Inspiron 15 5510/076F7Y, BIOS 2.4.1 11/05/2021 RIP: 0010:iwl_mvm_dbgfs_register+0x692/0x700 [iwlmvm] Code: 69 a0 be 80 01 00 00 48 c7 c7 50 73 6a a0 e8 95 cf ee e0 48 8b 83 b0 1e 00 00 48 c7 c2 54 73 6a a0 be 64 00 00 00 48 8d 7d 8c <48> 8b 48 50 e8 15 22 07 e1 48 8b 43 28 48 8d 55 8c 48 c7 c7 5f 73 RSP: 0018:ffffc90000a0ba68 EFLAGS: 00010246 RAX: ffffffffffffffff RBX: ffff88817d6e3328 RCX: ffff88817d6e3328 RDX: ffffffffa06a7354 RSI: 0000000000000064 RDI: ffffc90000a0ba6c RBP: ffffc90000a0bae0 R08: ffffffff824e4880 R09: ffffffffa069d620 R10: ffffc90000a0ba00 R11: ffffffffffffffff R12: 0000000000000000 R13: ffffc90000a0bb28 R14: ffff88817d6e3328 R15: ffff88817d6e3320 FS:  00007f64dd92d740(0000) GS:ffff88847f640000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000004f CR3: 000000016fc79001 CR4: 0000000000770ee0 PKRU: 55555554 Call Trace:  <TASK>  ? iwl_mvm_mac_setup_register+0xbdc/0xda0 [iwlmvm]  iwl_mvm_start_post_nvm+0x71/0x100 [iwlmvm]  iwl_op_mode_mvm_start+0xab8/0xb30 [iwlmvm]  _iwl_op_mode_start+0x6f/0xd0 [iwlwifi]  iwl_opmode_register+0x6a/0xe0 [iwlwifi]  ? 0xffffffffa0231000  iwl_mvm_init+0x35/0x1000 [iwlmvm]  ? 0xffffffffa0231000  do_one_initcall+0x5a/0x1b0  ? kmem_cache_alloc+0x1e5/0x2f0  ? do_init_module+0x1e/0x220  do_init_module+0x48/0x220  load_module+0x2602/0x2bc0  ? __kernel_read+0x145/0x2e0  ? kernel_read_file+0x229/0x290  __do_sys_finit_module+0xc5/0x130  ? __do_sys_finit_module+0xc5/0x130  __x64_sys_finit_module+0x13/0x20  do_syscall_64+0x38/0x90  entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f64dda564dd Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 1b 29 0f 00 f7 d8 64 89 01 48 RSP: 002b:00007ffdba393f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64dda564dd RDX: 0000000000000000 RSI: 00005575399e2ab2 RDI: 0000000000000001 RBP: 000055753a91c5e0 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000246 R12: 00005575399e2ab2 R13: 000055753a91ceb0 R14: 0000000000000000 R15: 000055753a923018  </TASK> Modules linked in: btintel(+) btmtk bluetooth vfat snd_hda_codec_hdmi fat snd_hda_codec_realtek snd_hda_codec_generic iwlmvm(+) snd_sof_pci_intel_tgl mac80211 snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence soundwire_bus snd_sof_intel_hda snd_sof_pci snd_sof snd_sof_xtensa_dsp snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core btrfs snd_compress snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec raid6_pq iwlwifi snd_hda_core snd_pcm snd_timer snd soundcore cfg80211 intel_ish_ipc(+) thunderbolt rfkill intel_ishtp ucsi_acpi wmi i2c_hid_acpi i2c_hid evdev CR2: 000000000000004f ---[ end trace 0000000000000000 ]---Check the debugfs_dir pointer for an error before using it.[change to make both conditional]
 openEuler评分：
  5.5
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/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-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(6.6.0):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(6.6.0):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

src-openEuler / kernel
Closed

Content Risk Flag

Comments (9)

src-openEuler / kernelClosed .gitee-modal { width: 500px !important; }

Content Risk Flag

CVE-2022-48918

Comments (9)

Search

src-openEuler / kernel
Closed