What is GHSA-4m8w-p4p5-8mhw?

GHSA-4m8w-p4p5-8mhw is a security advisory published by GitHub Security Advisories with Medium severity. In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race...

Which CVE IDs does GHSA-4m8w-p4p5-8mhw cover?

GHSA-4m8w-p4p5-8mhw covers the following CVE IDs: CVE-2026-56923. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4m8w-p4p5-8mhw?

GHSA-4m8w-p4p5-8mhw has a CVSS v3 base score of 6.4, published by GitHub Security Advisories.

GHSA-4m8w-p4p5-8mhwMediumCVSS 6.4

In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race...

Vendor

GitHub Security Advisories

Published

September 15, 2026

Last Modified

September 15, 2026

🔗 CVE IDs covered (1)

CVE-2026-56923 →

📋 Description

In handle_unmap_req of tipc_virtio_dev.c, there is a possible memory corruption due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-56923
https://source.android.com/docs/security/bulletin/pixel/2026/2026-09-01
https://github.com/advisories/GHSA-4m8w-p4p5-8mhw