CVE-2021-47381

一、漏洞信息
 漏洞编号：[CVE-2021-47381](https://nvd.nist.gov/vuln/detail/CVE-2021-47381)
 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 None
  Vector：CVSS：2.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:ASoC: SOF: Fix DSP oops stack dump output contentsFix @buf arg given to hex_dump_to_buffer() and stack address usedin dump error output.
 漏洞公开时间：2024-05-21 23:15:23
 漏洞创建时间：2024-05-22 03:21:11
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-47381
<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/a6bb576ead074ca6fa3b53cb1c5d4037a23de81b |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-47381 | https://bugzilla.suse.com/show_bug.cgi?id=1225206 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2021-47381 | https://bugzilla.suse.com/show_bug.cgi?id=1225206 |
| suse_bugzilla | https://git.kernel.org/stable/c/a6bb576ead074ca6fa3b53cb1c5d4037a23de81b | https://bugzilla.suse.com/show_bug.cgi?id=1225206 |
| suse_bugzilla | https://git.kernel.org/stable/c/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a | https://bugzilla.suse.com/show_bug.cgi?id=1225206 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2021/CVE-2021-47381.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1225206 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2282359 | https://bugzilla.suse.com/show_bug.cgi?id=1225206 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024052143-CVE-2021-47381-b80b@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2282359 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2021-47381 | https://ubuntu.com/security/CVE-2021-47381 |
| ubuntu | https://git.kernel.org/linus/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a (5.15-rc4) | https://ubuntu.com/security/CVE-2021-47381 |
| ubuntu | https://git.kernel.org/stable/c/a6bb576ead074ca6fa3b53cb1c5d4037a23de81b | https://ubuntu.com/security/CVE-2021-47381 |
| ubuntu | https://git.kernel.org/stable/c/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a | https://ubuntu.com/security/CVE-2021-47381 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-47381 | https://ubuntu.com/security/CVE-2021-47381 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-47381 | https://ubuntu.com/security/CVE-2021-47381 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-47381 | https://ubuntu.com/security/CVE-2021-47381 |

</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/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a | https://git.kernel.org/linus/e657c18a01c85d2c4ec0e96d52be8ba42b956593 | 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:ASoC: SOF: Fix DSP oops stack dump output contentsFix @buf arg given to hex_dump_to_buffer() and stack address usedin dump error output.  
 openEuler评分：
  5.5
 Vector：CVSS：2.0/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-22.03-LTS-SP1(5.10.0):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):受影响
3.openEuler-24.03-LTS(6.6.0):不受影响
4.openEuler-20.03-LTS-SP4(4.19.90):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响
6.master(6.1.0):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

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1839

Hi openeuler-ci-bot, welcome to the openEuler Community.
I'm the Bot here serving you. You can find the instructions on how to interact with me at Here.
If you have any questions, please contact the SIG: Kernel, and any of the maintainers.

@yangyingliang ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 ,@jentlestea ,@oskernel0719 ,@gasonchen 
**issue处理注意事项:** 
**1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;**
**2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;**
**3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.**
************************************************************************
影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响): 
1.master(6.1.0):
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:
10.openEuler-24.03-LTS:
11.openEuler-24.03-LTS-Next:

修复是否涉及abi变化(是/否)：
1.master(6.1.0):
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:
10.openEuler-24.03-LTS:
11.openEuler-24.03-LTS-Next:

-----------------------------------------------------------------------
issue处理具体操作请参考: 
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

参考网址	关联pr	状态	补丁链接
https://nvd.nist.gov/vuln/detail/CVE-2021-47381	None	None	https://git.kernel.org/stable/c/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a https://git.kernel.org/stable/c/a6bb576ead074ca6fa3b53cb1c5d4037a23de81b
https://ubuntu.com/security/CVE-2021-47381	None	None	https://discourse.ubuntu.com/c/ubuntu-pro
https://www.opencve.io/cve/CVE-2021-47381	None	None	https://git.kernel.org/stable/c/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a https://git.kernel.org/stable/c/a6bb576ead074ca6fa3b53cb1c5d4037a23de81b
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2021-47381
https://security-tracker.debian.org/tracker/CVE-2021-47381	None	None	https://git.kernel.org/linus/ac4dfccb96571ca03af7cac64b7a0b2952c97f3a

说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用CVE补丁工具。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

@sanglipeng 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态  | 需分析 | 内容 |
|:--:|:--:|---------|
|已分析|1.影响性分析说明|In the Linux kernel, the following vulnerability has been resolved:ASoC: SOF: Fix DSP oops stack dump output contentsFix @buf arg given to hex_dump_to_buffer() and stack address usedin dump error output.|
|已分析|2.openEulerScore|5.5|
|已分析|3.openEulerVector|AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:N|
|已分析|4.受影响版本排查|openEuler-22.03-LTS-SP1:受影响,openEuler-22.03-LTS-SP3:受影响,openEuler-20.03-LTS-SP1:不受影响,openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS:不受影响,openEuler-22.03-LTS-SP2:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-22.03-LTS-Next:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响|
|已分析|5.修复是否涉及abi变化|openEuler-20.03-LTS-SP1:否,openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP2:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-22.03-LTS-Next:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否|

**请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.**

受影响版本排查(受影响/不受影响)：
1.openEuler-22.03-LTS-SP1(5.10.0):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):受影响
3.openEuler-24.03-LTS(6.6.0):不受影响
4.openEuler-20.03-LTS-SP4(4.19.90):不受影响
5.openEuler-22.03-LTS-SP4(5.10.0):不受影响
6.master(6.1.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响

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