What is CVE-2026-5165?

CVE-2026-5165 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under CWE-825. CVSS score: 6.7/10. Published 2026-03-30.

How severe is CVE-2026-5165?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Vulnerability in Red Hat Enterprise Linux 10

CVE-2026-5165

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…

EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Redhat Enterprise_linux — versions 9.0, 10.0
Redhat Virtio-win

Weakness classification (CWE)

CWE-825

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry, Vendor Advisory)
RHBZ#2453015 (x_refsource_REDHAT, issue-tracking, Issue Tracking, Vendor Advisory)
secalert@redhat.com (Issue Tracking)

Frequently asked questions

What is CVE-2026-5165?: CVE-2026-5165 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under CWE-825. CVSS score: 6.7/10. Published 2026-03-30.
How severe is CVE-2026-5165?: Medium severity. CVSS v3 base score is 6.7 out of 10.