CVE-2026-5165

Virtio-win: virtio-win: memory corruption via use-after-free in virtio blk device reset

CVSS 6.7 MEDIUMEPSS 0.1%CWE-825

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 6.7EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

30 mar 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Productos afectados

Red Hat · Red Hat Enterprise Linux 10 Red Hat · Red Hat Enterprise Linux 8 Red Hat · Red Hat Enterprise Linux 9

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Referencias

https://access.redhat.com/security/cve/CVE-2026-5165 https://bugzilla.redhat.com/show_bug.cgi?id=2453015 https://github.com/virtio-win/kvm-guest-drivers-windows/pull/1493