SB2025032806 - Resource management error in Linux kernel overlayfs
Published: March 28, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025032806
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) Resource management error (CVE-ID: CVE-2022-49743)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the ovl_fid_to_fh() function in fs/overlayfs/export.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/07a96977b2f462337a9121302de64277b8747ab1
- https://git.kernel.org/stable/c/a77141a06367825d639ac51b04703d551163e36c
- https://git.kernel.org/stable/c/cf8aa9bf97cadf85745506c6a3e244b22c268d63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2