SB20241230302 - Input validation error in Linux kernel overlayfs
Published: December 30, 2024 Updated: May 11, 2025
Security Bulletin ID
SB20241230302
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) Input validation error (CVE-ID: CVE-2024-56570)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the ovl_dentry_init_flags() function in fs/overlayfs/util.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/065bf5dd21639f80e68450de16bda829784dbb8c
- https://git.kernel.org/stable/c/5f86e79c0b2287ffdabe6c1b305a36c4e0f40fe3
- https://git.kernel.org/stable/c/72014e7745cc8250bb8f27bd78694dfd3f1b5773
- https://git.kernel.org/stable/c/749eac5a6687ec99116e0691d0d71225254654e3
- https://git.kernel.org/stable/c/c8b359dddb418c60df1a69beea01d1b3322bfe83
- https://git.kernel.org/stable/c/f9248e2f73fb4afe08324485e98c815ac084d166
- https://git.kernel.org/stable/c/ff43d008bbf9b27ada434d6455f039a5ef6cee53
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.120