• 公告ID (KylinSec-SA-2024-3429)

摘要:

In the Linux kernel, the following vulnerability has been resolved:

bcachefs: Fix sb_field_downgrade validation

- bch2_sb_downgrade_validate() wasn't checking for a downgrade entry
extending past the end of the superblock section

- for_each_downgrade_entry() is used in to_text() and needs to work on
malformed input; it also was missing a check for a field extending
past the end of the section

安全等级: Low

公告ID: KylinSec-SA-2024-3429

发布日期: 2024年8月28日

关联CVE: CVE-2024-41086  

  • 详细介绍

1. 漏洞描述

   

In the Linux kernel, the following vulnerability has been resolved:

bcachefs: Fix sb_field_downgrade validation

- bch2_sb_downgrade_validate() wasn't checking for a downgrade entry
extending past the end of the superblock section

- for_each_downgrade_entry() is used in to_text() and needs to work on
malformed input; it also was missing a check for a field extending
past the end of the section

2. 影响范围

cve名称 产品 组件 是否受影响
CVE-2024-41086 KY3.4-5A kernel Unaffected
CVE-2024-41086 KY3.5.2 kernel Unaffected
CVE-2024-41086 V6 kernel Unaffected

3. 影响组件

    无

4. 修复版本

    无

5. 修复方法

   无

6. 下载链接

    无
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