CVE-2022-48850

一、漏洞信息
 漏洞编号：[CVE-2022-48850](https://nvd.nist.gov/vuln/detail/CVE-2022-48850)
 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:net-sysfs: add check for netdevice being present to speed_showWhen bringing down the netdevice or system shutdown, a panic can betriggered while accessing the sysfs path because the device is alreadyremoved.    [  755.549084] mlx5_core 0000:12:00.1: Shutdown was called    [  756.404455] mlx5_core 0000:12:00.0: Shutdown was called    ...    [  757.937260] BUG: unable to handle kernel NULL pointer dereference at           (null)    [  758.031397] IP: [<ffffffff8ee11acb>] dma_pool_alloc+0x1ab/0x280    crash> bt    ...    PID: 12649  TASK: ffff8924108f2100  CPU: 1   COMMAND:  amsd     ...     #9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778        [exception RIP: dma_pool_alloc+0x1ab]        RIP: ffffffff8ee11acb  RSP: ffff89240e1a3968  RFLAGS: 00010046        RAX: 0000000000000246  RBX: ffff89243d874100  RCX: 0000000000001000        RDX: 0000000000000000  RSI: 0000000000000246  RDI: ffff89243d874090        RBP: ffff89240e1a39c0   R8: 000000000001f080   R9: ffff8905ffc03c00        R10: ffffffffc04680d4  R11: ffffffff8edde9fd  R12: 00000000000080d0        R13: ffff89243d874090  R14: ffff89243d874080  R15: 0000000000000000        ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018    #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core]    #11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core]    #12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core]    #13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core]    #14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core]    #15 [ffff89240e1a3bb0] get_fec_supported_advertised at ffffffffc04992bf [mlx5_core]    #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings at ffffffffc049ab36 [mlx5_core]    #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings at ffffffff8f25db46    #18 [ffff89240e1a3d48] speed_show at ffffffff8f277208    #19 [ffff89240e1a3dd8] dev_attr_show at ffffffff8f0b70e3    #20 [ffff89240e1a3df8] sysfs_kf_seq_show at ffffffff8eedbedf    #21 [ffff89240e1a3e18] kernfs_seq_show at ffffffff8eeda596    #22 [ffff89240e1a3e28] seq_read at ffffffff8ee76d10    #23 [ffff89240e1a3e98] kernfs_fop_read at ffffffff8eedaef5    #24 [ffff89240e1a3ed8] vfs_read at ffffffff8ee4e3ff    #25 [ffff89240e1a3f08] sys_read at ffffffff8ee4f27f    #26 [ffff89240e1a3f50] system_call_fastpath at ffffffff8f395f92    crash> net_device.state ffff89443b0c0000      state = 0x5  (__LINK_STATE_START| __LINK_STATE_NOCARRIER)To prevent this scenario, we also make sure that the netdevice is present.
 漏洞公开时间：2024-07-16 21:15:12
 漏洞创建时间：2024-07-17 02:32:02
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2022-48850
<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/081369ad088a76429984483b8a5f7e967a125aad |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-48850 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2022-48850 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-48850.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2298191 | https://bugzilla.suse.com/show_bug.cgi?id=1228071 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2022-48850 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/linus/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624 (5.17-rc6) | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-48850 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2022-48850 | https://ubuntu.com/security/CVE-2022-48850 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-48850 | https://ubuntu.com/security/CVE-2022-48850 |

</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/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624 | https://git.kernel.org/linus/d519e17e2d01a0ee9abe083019532061b4438065 | 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:net-sysfs: add check for netdevice being present to speed_showWhen bringing down the netdevice or system shutdown, a panic can betriggered while accessing the sysfs path because the device is alreadyremoved.    [  755.549084] mlx5_core 0000:12:00.1: Shutdown was called    [  756.404455] mlx5_core 0000:12:00.0: Shutdown was called    ...    [  757.937260] BUG: unable to handle kernel NULL pointer dereference at           (null)    [  758.031397] IP: [<ffffffff8ee11acb>] dma_pool_alloc+0x1ab/0x280    crash> bt    ...    PID: 12649  TASK: ffff8924108f2100  CPU: 1   COMMAND:  amsd     ...     #9 [ffff89240e1a38b0] page_fault at ffffffff8f38c778        [exception RIP: dma_pool_alloc+0x1ab]        RIP: ffffffff8ee11acb  RSP: ffff89240e1a3968  RFLAGS: 00010046        RAX: 0000000000000246  RBX: ffff89243d874100  RCX: 0000000000001000        RDX: 0000000000000000  RSI: 0000000000000246  RDI: ffff89243d874090        RBP: ffff89240e1a39c0   R8: 000000000001f080   R9: ffff8905ffc03c00        R10: ffffffffc04680d4  R11: ffffffff8edde9fd  R12: 00000000000080d0        R13: ffff89243d874090  R14: ffff89243d874080  R15: 0000000000000000        ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018    #10 [ffff89240e1a39c8] mlx5_alloc_cmd_msg at ffffffffc04680f3 [mlx5_core]    #11 [ffff89240e1a3a18] cmd_exec at ffffffffc046ad62 [mlx5_core]    #12 [ffff89240e1a3ab8] mlx5_cmd_exec at ffffffffc046b4fb [mlx5_core]    #13 [ffff89240e1a3ae8] mlx5_core_access_reg at ffffffffc0475434 [mlx5_core]    #14 [ffff89240e1a3b40] mlx5e_get_fec_caps at ffffffffc04a7348 [mlx5_core]    #15 [ffff89240e1a3bb0] get_fec_supported_advertised at ffffffffc04992bf [mlx5_core]    #16 [ffff89240e1a3c08] mlx5e_get_link_ksettings at ffffffffc049ab36 [mlx5_core]    #17 [ffff89240e1a3ce8] __ethtool_get_link_ksettings at ffffffff8f25db46    #18 [ffff89240e1a3d48] speed_show at ffffffff8f277208    #19 [ffff89240e1a3dd8] dev_attr_show at ffffffff8f0b70e3    #20 [ffff89240e1a3df8] sysfs_kf_seq_show at ffffffff8eedbedf    #21 [ffff89240e1a3e18] kernfs_seq_show at ffffffff8eeda596    #22 [ffff89240e1a3e28] seq_read at ffffffff8ee76d10    #23 [ffff89240e1a3e98] kernfs_fop_read at ffffffff8eedaef5    #24 [ffff89240e1a3ed8] vfs_read at ffffffff8ee4e3ff    #25 [ffff89240e1a3f08] sys_read at ffffffff8ee4f27f    #26 [ffff89240e1a3f50] system_call_fastpath at ffffffff8f395f92    crash> net_device.state ffff89443b0c0000      state = 0x5  (__LINK_STATE_START| __LINK_STATE_NOCARRIER)To prevent this scenario, we also make sure that the netdevice is present.       
 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(6.1.0):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

src-openEuler/kernel
Closed

Content Risk Flag

Comments (14)

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

Content Risk Flag

CVE-2022-48850

Comments (14)

Search

src-openEuler/kernel
Closed