CVE-2023-52569

一、漏洞信息
 漏洞编号：[CVE-2023-52569](https://nvd.nist.gov/vuln/detail/CVE-2023-52569)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：6.1.19
 CVSS V3.0分值：
  BaseScore：0.0 None
  Vector：CVSS：3.0/
 漏洞简述：
  A vulnerability has been found in Linux Kernel up to 6.1.55/6.5.5 (Operating System) and classified as problematic.The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.As an impact it is known to affect confidentiality, integrity, and availability.Upgrading to version 6.1.56, 6.5.6 or 6.6 eliminates this vulnerability. Applying the patch 39c4a9522db0/d10fd53393cc/2c58c3931ede is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
 漏洞公开时间：2024-03-02 00:00:00
 漏洞创建时间：2024-03-02 22:46:15
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2023-52569
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
|  | https://git.kernel.org/stable/c/2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9 |  |
|  | https://git.kernel.org/stable/c/39c4a9522db0072570d602e9b365119e17fb9f4f |  |
|  | https://git.kernel.org/stable/c/d10fd53393cc5de4b9cf1a4b8f9984f0a037aa51 |  |
|  | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52569 |  |
|  | https://git.kernel.org/linus/2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9 |  |
|  | https://www.cve.org/CVERecord?id=CVE-2023-52569 |  |

</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/stable/c/39c4a9522db0072570d602e9b365119e | https://git.kernel.org/stable/c/39c4a9522db0072570d602e9b365119e17fb9f4f.patch |  | ljqc |
|  | https://git.kernel.org/stable/c/d10fd53393cc5de4b9cf1a4b8f9984f0 | https://git.kernel.org/stable/c/d10fd53393cc5de4b9cf1a4b8f9984f0a037aa51.patch |  | ljqc |
|  | https://git.kernel.org/stable/c/2c58c3931ede7cd08cbecf1f1a4acaf0 | https://git.kernel.org/stable/c/2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9.patch |  | ljqc |

</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:btrfs: remove BUG() after failure to insert delayed dir index itemInstead of calling BUG() when we fail to insert a delayed dir index iteminto the delayed node s tree, we can just release all the resources wehave allocated/acquired before and return the error to the caller. This isfine because all existing call chains undo anything they have done beforecalling btrfs_insert_delayed_dir_index() or BUG_ON (when creating pendingsnapshots in the transaction commit path).So remove the BUG() call and do proper error handling.This relates to a syzbot report linked below, but does not fix it becauseit only prevents hitting a BUG(), it does not fix the issue where somehowwe attempt to use twice the same index number for different index items. 
 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-20.03-LTS-SP1:不受影响
2.openEuler-20.03-LTS-SP4:不受影响
3.openEuler-22.03-LTS:不受影响
4.openEuler-22.03-LTS-SP1:不受影响
5.openEuler-22.03-LTS-SP2:不受影响
6.openEuler-22.03-LTS-SP3:不受影响
7.master:不受影响
8.openEuler-22.03-LTS-Next:不受影响
9.openEuler-24.03-LTS:不受影响
10.openEuler-24.03-LTS-Next:不受影响

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

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

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