SB20240531104 - Use-after-free in Linux kernel nfs
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531104
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-2024-26958)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the , within the wait_on_commit() function in fs/nfs/write.c, within the nfs_direct_commit_schedule() function in fs/nfs/direct.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4595d90b5d2ea5fa4d318d13f59055aa4bf3e7f5
- https://git.kernel.org/stable/c/80d24b308b7ee7037fc90d8ac99f6f78df0a256f
- https://git.kernel.org/stable/c/3abc2d160ed8213948b147295d77d44a22c88fa3
- https://git.kernel.org/stable/c/e25447c35f8745337ea8bc0c9697fcac14df8605
- https://git.kernel.org/stable/c/1daf52b5ffb24870fbeda20b4967526d8f9e12ab
- https://git.kernel.org/stable/c/cf54f66e1dd78990ec6b32177bca7e6ea2144a95
- https://git.kernel.org/stable/c/17f46b803d4f23c66cacce81db35fef3adb8f2af
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.215
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.154
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.84
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.24
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.3