CVE-2022-42895

一、漏洞信息
 漏洞编号：[CVE-2022-42895](https://nvd.nist.gov/vuln/detail/CVE-2022-42895)
 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 V2.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：2.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
 漏洞简述：
  There is an infoleak vulnerability in the Linux kernel s net/bluetooth/l2cap_core.c s l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url
 漏洞公开时间：2022-11-23 23:15:00
 漏洞创建时间：2022-11-06 09:53:09
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2022-42895
<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://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e |  |
| nvd | https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e |  |
| redhat | https://access.redhat.com/security/cve/CVE-2022-42895 |  |
| suse_bugzilla | https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e | https://bugzilla.suse.com/show_bug.cgi?id=1205705 |
| suse_bugzilla | https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e | https://bugzilla.suse.com/show_bug.cgi?id=1205705 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2147356 | https://bugzilla.suse.com/show_bug.cgi?id=1205705 |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-42895 | https://bugzilla.suse.com/show_bug.cgi?id=1205705 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2022-42895 | https://bugzilla.suse.com/show_bug.cgi?id=1205705 |
| redhat_bugzilla | https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e | https://bugzilla.redhat.com/show_bug.cgi?id=2147356 |
| redhat_bugzilla | https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e | https://bugzilla.redhat.com/show_bug.cgi?id=2147356 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42895 | https://ubuntu.com/security/CVE-2022-42895 |
| ubuntu | https://git.kernel.org/linus/b1a2cd50c0357f243b7435a732b4e62ba3157a2e | https://ubuntu.com/security/CVE-2022-42895 |
| ubuntu | https://github.com/google/security-research/security/advisories/GHSA-vccx-8h74-2357 | https://ubuntu.com/security/CVE-2022-42895 |
| ubuntu | https://ubuntu.com/security/notices/USN-5780-1 | https://ubuntu.com/security/CVE-2022-42895 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2022-42895 | https://ubuntu.com/security/CVE-2022-42895 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2022-42895 | https://ubuntu.com/security/CVE-2022-42895 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2022-42895 | https://ubuntu.com/security/CVE-2022-42895 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2022-42895 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2022-42895 |
| cve_search |  | https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e |
| cve_search |  | https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e |
| mageia |  | http://advisories.mageia.org/MGASA-2022-0443.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 |
| nvd | https://kernel.dance/#b1a2cd50c0357f243b7435a732b4e62ba3157a2e |  |
| nvd | https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2022-42895 |  |

</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://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e |  | nvd |
|  |  | https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e |  | suse_bugzilla |
|  |  | https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e |  | redhat_bugzilla |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
          Bluetooth: L2CAP: Fix attempting to access uninitialized memory    
 openEuler评分：
  6.3
 Vector：CVSS：2.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
 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-2022-2117

@xiexiuqi ,@yangyingliang ,@gatieme ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@zhengzengkai ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 
**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.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:

修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP1(4.19.90):
2.openEuler-20.03-LTS-SP3(4.19.90):
3.openEuler-22.03-LTS:

-----------------------------------------------------------------------
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

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](https://gitee.com/openeuler/community/blob/master/en/sig-infrastructure/command.md)**.
If you have any questions, please contact the SIG: [Kernel](https://gitee.com/openeuler/community/tree/master/sig/Kernel), and any of the maintainers: @xiexiuqi , @yangyingliang , @gatieme , @jiaoff , @guohaocs2c , @hanjun-guo , @woqidaideshi , @zhengzengkai , @newbeats , @zhangyi089 , @colyli , @thundertown , @htforge , @chiqijun , @lengchao , @zhujianwei001 , @kylin-mayukun , @wangxiongfeng , @wkfxxx , @SuperSix173 , @jentlestea , @oskernel0719 , @lujialin2 , @gasonchen , @kailiu42 , @whoisxxx , @wuxu_buque , @koulihong , @liuxinux , @kevinzhu1 , @xukuohai , @alvin-ling , @juntianlinux , @chenguangli , @zhenpengzheng , @LiuYongQiang0816 , @yuzenghui , @qiuuuuu , @haochengxie , @chenwei_kernel , @CTC-XiboWang , @x56Jason , @yuehaibing_planb , @guzitao , @Hongchen_Zhang

<table><tr><th white-space: nowrap;>参考网址</th> <th white-space: nowrap;>关联pr</th> <th white-space: nowrap;>状态</th> <th white-space: nowrap;>补丁链接</th></tr><tr><td>https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2022-42895</td><td></td><td></td><td></td></tr><tr><td>https://www.opencve.io/cve/CVE-2022-42895</td><td></td><td></td><td></td></tr><tr><td>https://nvd.nist.gov/vuln/detail/CVE-2022-42895</td><td></td><td></td><td></td></tr><tr><td rowspan="1">https://security-tracker.debian.org/tracker/CVE-2022-42895</td><td>None</td><td>None</td><td><a href=https://git.kernel.org/linus/b1a2cd50c0357f243b7435a732b4e62ba3157a2e>https://git.kernel.org/linus/b1a2cd50c0357f243b7435a732b4e62ba3157a2e</a></td></tr><tr><td rowspan="1">https://ubuntu.com/security/CVE-2022-42895</td><td>None</td><td>None</td><td><a href=https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2>https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2</a><br /><a href=https://git.kernel.org/linus/b1a2cd50c0357f243b7435a732b4e62ba3157a2e>https://git.kernel.org/linus/b1a2cd50c0357f243b7435a732b4e62ba3157a2e</a></td></tr><tr><td>http://www.cnnvd.org.cn/web/vulnerability/queryLds.tag?qcvCnnvdid=CVE-2022-42895</td><td></td><td></td><td></td></tr></table>

> 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](https://gitee.com/openeuler/cve-manager/blob/master/cve-agency-manager/cve_tracking/README.md)。
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

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