SB20250226162 - Memory leak in Linux kernel 9p
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226162
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-2022-49705)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the v9fs_vfs_atomic_open_dotl() function in fs/9p/vfs_inode_dotl.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/22832ac3eb5be3f7168816a76b64c1284e12eb3c
- https://git.kernel.org/stable/c/8bc5412ba1a45edfd1e451874c483c26a097af2b
- https://git.kernel.org/stable/c/beca774fc51a9ba8abbc869cf0c3d965ff17cd24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.51
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19