SB2025072778 - Use of uninitialized resource in Linux kernel vmw_vsock
Published: July 27, 2025
Security Bulletin ID
SB2025072778
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-2025-38403)
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 vmci_transport_packet_init() function in net/vmw_vsock/vmci_transport.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/0a01021317375b8d1895152f544421ce49299eb1
- https://git.kernel.org/stable/c/19c2cc01ff9a8031398a802676ffb0f4692dd95d
- https://git.kernel.org/stable/c/1c1bcb0e78230f533b4103e8cf271d17c3f469f0
- https://git.kernel.org/stable/c/223e2288f4b8c262a864e2c03964ffac91744cd5
- https://git.kernel.org/stable/c/2d44723a091bc853272e1a51a488a3d22b80be5e
- https://git.kernel.org/stable/c/75705b44e0b9aaa74f4c163d93d388bcba9e386a
- https://git.kernel.org/stable/c/94d0c326cb3ee6b0f8bd00e209550b93fcc5c839
- https://git.kernel.org/stable/c/e9a673153d578fd439919a24e99851b2f87ecbce