CVE-2026-5165: A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset…
CVE-2026-5165 · Severity: medium · CVSS 6.7 · Published 2026-03-30
A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset, it fails to properly manage memory, resulting in a use-after-free vulnerability. This issue could allow a local attacker to corrupt system memory, potentially leading to system instability or unexpected behavior.
No. Junglewise Threat Intelligence has no report of CVE-2026-5165 being exploited in the wild.
How severe is CVE-2026-5165?
Medium severity, with a CVSS score of 6.7, published 30 March 2026.
Which products and versions are affected?
Redhat Enterprise Linux, Redhat Virtio-Win. The advisory does not name versions.
Is there a fix for CVE-2026-5165?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-5165?
Check whether you run Redhat Enterprise Linux or Redhat Virtio-Win. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.