SB20250619113 - Memory leak in Linux kernel btrfs
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619113
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-2022-49996)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the btrfs_get_dev_args_from_path() function in fs/btrfs/volumes.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/4b124ad87244cd7f0883c5eaa38d2326b2154cad
- https://git.kernel.org/stable/c/5f52402c77013e4a826394b807dd5ea4dc83bd72
- https://git.kernel.org/stable/c/9ea0106a7a3d8116860712e3f17cd52ce99f6707
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0