SB2025020429 - NULL pointer dereference in Linux kernel vmw_vsock
Published: February 4, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025020429
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-2025-21670)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vsock_bpf_recvmsg() function in net/vmw_vsock/vsock_bpf.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/58e586c30d0b6f5dc0174a41026f2b0a48c9aab6
- https://git.kernel.org/stable/c/6771e1279dadf1d92a72e1465134257d9e6f2459
- https://git.kernel.org/stable/c/f6abafcd32f9cfc4b1a2f820ecea70773e26d423
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.74