SB20250502236 - Improper error handling in Linux kernel ext4
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502236
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper error handling (CVE-ID: CVE-2022-49879)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the make_indexed_dir() function in fs/ext4/namei.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/156451a67b93986fb07c274ef6995ff40766c5ad
- https://git.kernel.org/stable/c/17a0bc9bd697f75cfdf9b378d5eb2d7409c91340
- https://git.kernel.org/stable/c/2fa24d0274fbf913b56ee31f15bc01168669d909
- https://git.kernel.org/stable/c/999cff2b6ce3b45c08abf793bf55534777421327
- https://git.kernel.org/stable/c/ce1ee2c8827fb6493e91acbd50f664cf2a972c3d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.8