SB2026020540 - Use of uninitialized resource in Linux kernel vmw_vsock
Published: February 5, 2026
Security Bulletin ID
SB2026020540
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) Use of uninitialized resource (CVE-ID: CVE-2026-23057)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the virtio_transport_recv_enqueue() 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.