SB2025020428 - NULL pointer dereference in Linux kernel vmw_vsock
Published: February 4, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025020428
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-2025-21669)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the virtio_transport_recv_pkt() function in net/vmw_vsock/virtio_transport_common.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/18a7fc371d1dbf8deff16c2dd9292bcc73f43040
- https://git.kernel.org/stable/c/2cb7c756f605ec02ffe562fb26828e4bcc5fdfc1
- https://git.kernel.org/stable/c/6486915fa661584d70e8e7e4068c6c075c67dd6d
- https://git.kernel.org/stable/c/677579b641af109613564460a4e3bdcb16850b61
- https://git.kernel.org/stable/c/88244163bc7e7b0ce9dd7bf4c8a563b41525c3ee
- https://git.kernel.org/stable/c/d88b249e14bd0ee1e46bbe4f456e22e01b8c68de
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.74