SB2025120834 - Memory leak in Linux kernel ext4
Published: December 8, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025120834
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) Memory leak (CVE-ID: CVE-2022-50622)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ext4_fc_record_modified_inode() function in fs/ext4/fast_commit.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/24d39affc6be1acf6df86a8c3e2413b8a73749c7
- https://git.kernel.org/stable/c/9305721a309fa1bd7c194e0d4a2335bf3b29dca4
- https://git.kernel.org/stable/c/9b5eb368a86f97eb9831f5b53b8e43ec69bc7cd4
- https://git.kernel.org/stable/c/c0be17635f039f864b1108efec0015c73736e414
- https://git.kernel.org/stable/c/c9ce7766dc4e88e624c62a68221a3bbe8f06e856
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.150