SB2024110560 - Use-after-free in Linux kernel nfsd
Published: November 5, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024110560
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-2024-50106)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the destroy_delegation(), nfsd4_revoke_states(), nfs4_laundromat(), nfsd4_free_stateid() and nfsd4_delegreturn() functions in fs/nfsd/nfs4state.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.