SB2025042290 - NULL pointer dereference in Linux kernel 9p
Published: April 22, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025042290
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-2025-22070)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the v9fs_vfs_mkdir_dotl() function in fs/9p/vfs_inode_dotl.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/2139dea5c53e3bb63ac49a6901c85e525a80ee8a
- https://git.kernel.org/stable/c/3f61ac7c65bdb26accb52f9db66313597e759821
- https://git.kernel.org/stable/c/6517b395cb1e43fbf3962dd93e6fb4a5e5ab100e
- https://git.kernel.org/stable/c/8522051c58d68146b93e8a5ba9987e83b3d64e7b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.23