SB2025030672 - Resource management error in Linux kernel landlock
Published: March 6, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025030672
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-2025-21830)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to resource management error within the get_mode_access() function in security/landlock/fs.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/0fde195a373ab1267e60baa9e1a703a97e7464cd
- https://git.kernel.org/stable/c/2569e65d2eb6ac1afe6cb6dfae476afee8b6771a
- https://git.kernel.org/stable/c/39bb3d56f1c351e76bb18895d0e73796e653d5c1
- https://git.kernel.org/stable/c/49440290a0935f428a1e43a5ac8dc275a647ff80
- https://git.kernel.org/stable/c/7d6121228959ddf44a4b9b6a177384ac7854e2f9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.129