CVE-2021-47336

一、漏洞信息
 漏洞编号：[CVE-2021-47336](https://nvd.nist.gov/vuln/detail/CVE-2021-47336)
 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：N/A None
  Vector：CVSS：3.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:smackfs: restrict bytes count in smk_set_cipso()Oops, I failed to update subject line.From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001Date: Mon, 12 Apr 2021 22:25:06 +0900Subject: [PATCH] smackfs: restrict bytes count in smk_set_cipso()Commit 7ef4c19d245f3dc2 ( smackfs: restrict bytes count in smackfs writefunctions ) missed that count > SMK_CIPSOMAX check applies to onlyformat == SMK_FIXED24_FMT case.
 漏洞公开时间：2024-05-21 23:15:20
 漏洞创建时间：2024-05-24 05:44:13
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-47336
<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/135122f174c357b7a3e58f40fa5792156c5e93e6 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-47336 | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2021-47336 | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2021/CVE-2021-47336.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2282424 | https://bugzilla.suse.com/show_bug.cgi?id=1225111 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024052136-CVE-2021-47336-b6a7@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2282424 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2021-47336 | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/linus/49ec114a6e62d8d320037ce71c1aaf9650b3cafd (5.14-rc1) | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/5f9880403e6b71d56924748ba331daf836243fca | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/5c2dca9a7a7ff6a2df34158903515e2e4fd3d2b2 | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/cbd87ba6a13891acf6180783f8234a8b7a3e3d4d | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/135122f174c357b7a3e58f40fa5792156c5e93e6 | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/3780348c1a0e14ffefcaf1fc521f815bcaac94b0 | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/8f5c773a2871cf446e3f36b2834fb25bbb28512b | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/258fd821f69378453c071b9dd767b298810fc766 | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://git.kernel.org/stable/c/49ec114a6e62d8d320037ce71c1aaf9650b3cafd | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-47336 | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-47336 | https://ubuntu.com/security/CVE-2021-47336 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-47336 | https://ubuntu.com/security/CVE-2021-47336 |

</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/49ec114a6e62d8d320037ce71c1aaf9650b3cafd | https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | ubuntu |

</details>
 
二、漏洞分析结构反馈
 影响性分析说明：
                                         
 openEuler评分：
   
 受影响版本排查(受影响/不受影响)：
  1.master(6.6.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):
9.openEuler-22.03-LTS-SP4(5.10.0):
10.openEuler-24.03-LTS(6.6.0):
11.openEuler-24.03-LTS-Next(6.6.0):
12.openEuler-24.03-LTS-SP2(6.6.0):

修复是否涉及abi变化(是/否)：
  1.master(6.6.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):
9.openEuler-22.03-LTS-SP4(5.10.0):
10.openEuler-24.03-LTS(6.6.0):
11.openEuler-24.03-LTS-Next(6.6.0):
12.openEuler-24.03-LTS-SP2(6.6.0):

原因说明：
  1.master(6.6.0):
2.openEuler-20.03-LTS-SP4(4.19.90):
3.openEuler-22.03-LTS-SP3(5.10.0):
4.openEuler-22.03-LTS-SP4(5.10.0):
5.openEuler-24.03-LTS(6.6.0):
6.openEuler-24.03-LTS-Next(6.6.0):
7.openEuler-24.03-LTS-SP1(6.6.0):
8.openEuler-24.03-LTS-SP2(6.6.0):

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CVE-2021-47336

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