CVE-2024-53066

一、漏洞信息
 漏洞编号：[CVE-2024-53066](https://nvd.nist.gov/vuln/detail/CVE-2024-53066)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.4.0,6.6.0
 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:nfs: Fix KMSAN warning in decode_getfattr_attrs()Fix the following KMSAN warning:CPU: 1 UID: 0 PID: 7651 Comm: cp Tainted: G    BTainted: [B]=BAD_PAGEHardware name: QEMU Standard PC (Q35 + ICH9, 2009)==========================================================================================================BUG: KMSAN: uninit-value in decode_getfattr_attrs+0x2d6d/0x2f90 decode_getfattr_attrs+0x2d6d/0x2f90 decode_getfattr_generic+0x806/0xb00 nfs4_xdr_dec_getattr+0x1de/0x240 rpcauth_unwrap_resp_decode+0xab/0x100 rpcauth_unwrap_resp+0x95/0xc0 call_decode+0x4ff/0xb50 __rpc_execute+0x57b/0x19d0 rpc_execute+0x368/0x5e0 rpc_run_task+0xcfe/0xee0 nfs4_proc_getattr+0x5b5/0x990 __nfs_revalidate_inode+0x477/0xd00 nfs_access_get_cached+0x1021/0x1cc0 nfs_do_access+0x9f/0xae0 nfs_permission+0x1e4/0x8c0 inode_permission+0x356/0x6c0 link_path_walk+0x958/0x1330 path_lookupat+0xce/0x6b0 filename_lookup+0x23e/0x770 vfs_statx+0xe7/0x970 vfs_fstatat+0x1f2/0x2c0 __se_sys_newfstatat+0x67/0x880 __x64_sys_newfstatat+0xbd/0x120 x64_sys_call+0x1826/0x3cf0 do_syscall_64+0xd0/0x1b0 entry_SYSCALL_64_after_hwframe+0x77/0x7fThe KMSAN warning is triggered in decode_getfattr_attrs(), when callingdecode_attr_mdsthreshold(). It appears that fattr->mdsthreshold is notinitialized.Fix the issue by initializing fattr->mdsthreshold to NULL innfs_fattr_init().
 漏洞公开时间：2024-11-20 02:15:26
 漏洞创建时间：2024-11-20 02:41:07
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-53066
<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/25ffd294fef81a7f3cd9528adf21560c04d98747 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8fc5ea9231af9122d227c9c13f5e578fca48d2e3 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9b453e8b108a5a93a6e348cf2ba4c9c138314a00 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9be0a21ae52b3b822d0eec4d14e909ab394f8a92 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/bbfcd261cc068fe1cd02a4e871275074a0daa4e2 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/dc270d7159699ad6d11decadfce9633f0f71c1db |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f6b2b2b981af8e7d7c62d34143acefa4e1edfe8b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/f749cb60a01f8391c760a1d6ecd938cadacf9549 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-53066 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-53066.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/25ffd294fef81a7f3cd9528adf21560c04d98747 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/bbfcd261cc068fe1cd02a4e871275074a0daa4e2 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/8fc5ea9231af9122d227c9c13f5e578fca48d2e3 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/9b453e8b108a5a93a6e348cf2ba4c9c138314a00 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/f6b2b2b981af8e7d7c62d34143acefa4e1edfe8b | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/f749cb60a01f8391c760a1d6ecd938cadacf9549 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/9be0a21ae52b3b822d0eec4d14e909ab394f8a92 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://git.kernel.org/stable/c/dc270d7159699ad6d11decadfce9633f0f71c1db | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-53066 | https://bugzilla.suse.com/show_bug.cgi?id=1233560 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024111932-CVE-2024-53066-abf7@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2327371 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-53066 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2024-53066 |

</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/25ffd294fef81a7f3cd9528adf21560c04d98747 |  | nvd |
|  |  | https://git.kernel.org/stable/c/8fc5ea9231af9122d227c9c13f5e578fca48d2e3 |  | nvd |
|  |  | https://git.kernel.org/stable/c/9b453e8b108a5a93a6e348cf2ba4c9c138314a00 |  | nvd |
|  |  | https://git.kernel.org/stable/c/9be0a21ae52b3b822d0eec4d14e909ab394f8a92 |  | nvd |
|  |  | https://git.kernel.org/stable/c/bbfcd261cc068fe1cd02a4e871275074a0daa4e2 |  | nvd |
|  |  | https://git.kernel.org/stable/c/dc270d7159699ad6d11decadfce9633f0f71c1db |  | nvd |
|  |  | https://git.kernel.org/stable/c/f6b2b2b981af8e7d7c62d34143acefa4e1edfe8b |  | nvd |
|  |  | https://git.kernel.org/stable/c/f749cb60a01f8391c760a1d6ecd938cadacf9549 |  | nvd |
| linux_kernel | 4.19.324 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=25ffd294fef8Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |
| linux_kernel | 5.4.286 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=bbfcd261cc06Issue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |
| linux_kernel | 5.10.230 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=8fc5ea9231afIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |
| linux_kernel | 5.15.172 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9b453e8b108aIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |
| linux_kernel | 6.1.117 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6b2b2b981afIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |
| linux_kernel | 6.6.61 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f749cb60a01fIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |
| linux_kernel | 6.11.8 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=9be0a21ae52bIssue | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |
| linux_kernel | 6.12 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=dc270d715969Please | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=88034c3d88c2 | linuxkernelcves |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  Reserved.
 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):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):受影响
3.openEuler-22.03-LTS-SP4(5.10.0):受影响
4.openEuler-24.03-LTS(6.6.0):受影响
5.openEuler-24.03-LTS-SP1(6.6.0):受影响
6.master(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
8.openEuler-24.03-LTS-SP1(6.6.0):否

原因说明：
  1.openEuler-20.03-LTS-SP4(4.19.90):正常修复
2.openEuler-22.03-LTS-SP3(5.10.0):正常修复
3.openEuler-22.03-LTS-SP4(5.10.0):正常修复
4.openEuler-24.03-LTS(6.6.0):正常修复
5.openEuler-24.03-LTS-SP1(6.6.0):正常修复
6.master(6.6.0):不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2495

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