SB2025100310 - NULL pointer dereference in Linux kernel nfs
Published: October 3, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100310
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) NULL pointer dereference (CVE-ID: CVE-2022-50455)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the nfs_fs_context_parse_param() function in fs/nfs/fs_context.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/46819f604557fe7bc39a6c352fd368371aa9cd6e
- https://git.kernel.org/stable/c/55513864b418c6453d68aebc36cffcf965342426
- https://git.kernel.org/stable/c/5559405df652008e56eee88872126fe4c451da67
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2