CVE-2022-42703

一、漏洞信息
 漏洞编号：[CVE-2022-42703](https://nvd.nist.gov/vuln/detail/CVE-2022-42703)
 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
 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：
  mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
 漏洞公开时间：2022-10-10 07:15:00
 漏洞创建时间：2022-10-14 12:31:05
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2022-42703
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| nvd | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 |  |
| nvd | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  |
| nvd | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 |  |
| nvd | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  |
| nvd | https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html |  |
| redhat | https://access.redhat.com/security/cve/CVE-2022-42703 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-42703 | https://bugzilla.suse.com/show_bug.cgi?id=1204168 |
| suse_bugzilla | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 | https://bugzilla.suse.com/show_bug.cgi?id=1204168 |
| suse_bugzilla | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b | https://bugzilla.suse.com/show_bug.cgi?id=1204168 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2022-42703 | https://bugzilla.suse.com/show_bug.cgi?id=1204168 |
| suse_bugzilla | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b | https://bugzilla.suse.com/show_bug.cgi?id=1204168 |
| suse_bugzilla | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 | https://bugzilla.suse.com/show_bug.cgi?id=1204168 |
| redhat_bugzilla | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 | https://bugzilla.redhat.com/show_bug.cgi?id=2133483 |
| redhat_bugzilla | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b | https://bugzilla.redhat.com/show_bug.cgi?id=2133483 |
| redhat_bugzilla | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 | https://bugzilla.redhat.com/show_bug.cgi?id=2133483 |
| redhat_bugzilla | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b | https://bugzilla.redhat.com/show_bug.cgi?id=2133483 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42703 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://git.kernel.org/linus/2555283eb40df89945557273121e9393ef9b542b (6.0-rc4) | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5728-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5728-2 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5728-3 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5755-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5756-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5757-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5757-2 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5758-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5756-2 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5755-2 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5773-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5756-3 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5774-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://ubuntu.com/security/notices/USN-5779-1 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-42703 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2022-42703 | https://ubuntu.com/security/CVE-2022-42703 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-42703 | https://ubuntu.com/security/CVE-2022-42703 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2022-42703 |
| cve_search |  | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 |
| cve_search |  | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |
| cve_search |  | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 |
| cve_search |  | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |
| cve_search |  | https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringing-back-the-stack-attack.html |
| mageia |  | http://advisories.mageia.org/MGASA-2022-0380.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2257.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2264.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2284.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2285.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2286.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2287.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2288.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2289.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2304.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2343.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2344.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2345.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2816.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2817.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-2819.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| amazon_linux | https://alas.aws.amazon.com/cve/html/CVE-2022-3037.html | https://alas.aws.amazon.com/ALAS-2022-1639.html |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-42703 |  |
| suse_bugzilla | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 |  |
| suse_bugzilla | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2022-42703 |  |
| suse_bugzilla | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  |
| suse_bugzilla | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 |  |
| redhat_bugzilla | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 |  |
| redhat_bugzilla | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  |
| redhat_bugzilla | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 |  |
| redhat_bugzilla | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  |
| redhat_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2133483 |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2022-42703 |  |
| nvd | https://bugs.chromium.org/p/project-zero/issues/detail?id=2351 |  |
| nvd | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  |
| nvd | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7 |  |
| nvd | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  |

</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/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  | nvd |
|  |  | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  | nvd |
|  |  | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  | suse_bugzilla |
|  |  | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  | suse_bugzilla |
|  |  | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  | redhat_bugzilla |
|  |  | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  | redhat_bugzilla |
|  |  | https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2555283eb40df89945557273121e9393ef9b542b |  | ubuntu |
|  |  | https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542b |  | ubuntu |
| linux_kernel | 4.14.292 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=978a70601bdc4c32de4003d3beef4dfa23fff1e0 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a3ef208e662f4b63d43a23f61a64a129c525bbc | linuxkernelcves |
| linux_kernel | 4.19.257 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=6dbfc25d68d922736381988d64156a649ccf7bf1 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a3ef208e662f4b63d43a23f61a64a129c525bbc | linuxkernelcves |
| linux_kernel | 4.9.327 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=c24ca0f172905d593ad8ab276b0992bb74353a8d | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a3ef208e662f4b63d43a23f61a64a129c525bbc | linuxkernelcves |
| linux_kernel | 5.10.141 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=98f401d36396134c0c86e9e3bd00b6b6b028b521 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a3ef208e662f4b63d43a23f61a64a129c525bbc | linuxkernelcves |
| linux_kernel | 5.15.65 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=c18a209b56e37b2a60414f714bd70b084ef25835 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a3ef208e662f4b63d43a23f61a64a129c525bbc | linuxkernelcves |
| linux_kernel | 5.19.7 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7877eaa1131147b4d6a063962f3aac0ab1b8ea1c | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a3ef208e662f4b63d43a23f61a64a129c525bbc | linuxkernelcves |
| linux_kernel | 5.4.212 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=2fe3eee48899a890310177d54537d5b8e255eb31 | https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=7a3ef208e662f4b63d43a23f61a64a129c525bbc | linuxkernelcves |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
    mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse. 
 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-22.03-LTS:受影响
2.openEuler-20.03-LTS-SP1(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-22.03-LTS:否
2.openEuler-20.03-LTS-SP1(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-2022-2015

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