SB2025032799 - Use-after-free in Linux kernel nfsd
Published: March 27, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025032799
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-53025)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the fs/nfsd/nfs4proc.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0a27dcd5343026ac0cb168ee63304255372b7a36
- https://git.kernel.org/stable/c/32d5eb95f8f0e362e37c393310b13b9e95404560
- https://git.kernel.org/stable/c/6ac4c383c39f8f2f955f868d1ad9365c2363e80b
- https://git.kernel.org/stable/c/e6cf91b7b47ff82b624bdfe2fdcde32bb52e71dd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.220
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.91
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2