CVE-2022-0854

一、漏洞信息
 漏洞编号：[CVE-2022-0854](https://nvd.nist.gov/vuln/detail/CVE-2022-0854)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,5.15.33,5.17
 CVSS V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
 漏洞简述：
  A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
 漏洞公开时间：2022-03-24 04:15
 漏洞创建时间：2022-03-29 14:37:56
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2022-0854
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| MISC | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13 |  |
| DEBIAN | https://www.debian.org/security/2022/dsa-5161 |  |
| MLIST | https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html |  |
| DEBIAN | https://www.debian.org/security/2022/dsa-5173 |  |
| nvd | https://access.redhat.com/security/cve/CVE-2022-0854 |  |
| redhat_bugzilla | https://lore.kernel.org/all/YiIiHD7uA1o7Sj1X@kroah.com/t/ |  |
| redhat_bugzilla | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.17&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13 |  |
| redhat_bugzilla | https://lore.kernel.org/all/YiIiHD7uA1o7Sj1X@kroah.com/t/ |  |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0854 |  |
| ubuntu | https://ubuntu.com/security/notices/USN-5381-1 |  |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-0854 |  |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2022-0854 |  |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-0854 |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2022-0854 |  |

</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_kernel | 4.14.281 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=aaf166f37eb6bb55d81c3e40a2a460c8875c8813 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ddbd89deb7d32b1fbb879f48d68fda1a8ac58e8e | linuxkernelcves |
| linux_kernel | 4.19.245 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=06cb238b0f7ac1669cb06390704c61794724c191 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ddbd89deb7d32b1fbb879f48d68fda1a8ac58e8e | linuxkernelcves |
| linux_kernel | 5.10.118 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=f3f2247ac31cb71d1f05f56536df5946c6652f4a | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ddbd89deb7d32b1fbb879f48d68fda1a8ac58e8e | linuxkernelcves |
| linux_kernel | 5.15.29 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=2c1f97af38be151527380796d31d3c9adb054bf9 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ddbd89deb7d32b1fbb879f48d68fda1a8ac58e8e | linuxkernelcves |
| linux_kernel | 5.16.15 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=62b27d925655999350d0ea775a025919fd88d27f | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ddbd89deb7d32b1fbb879f48d68fda1a8ac58e8e | linuxkernelcves |
| linux_kernel | 5.4.196 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=b2f140a9f980806f572d672e1780acea66b9a25c | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=ddbd89deb7d32b1fbb879f48d68fda1a8ac58e8e | linuxkernelcves |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
      A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.  
 openEuler评分：
  5.5
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS-SP1(4.19.90):受影响
2.openEuler-20.03-LTS-SP2(4.19.90):受影响
3.openEuler-20.03-LTS-SP3(4.19.90):受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS-SP1(4.19.90):否
2.openEuler-20.03-LTS-SP2(4.19.90):否
3.openEuler-20.03-LTS-SP3(4.19.90):否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2022-1614

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