CVE-2026-0665: Qemu-kvm: heap off-by-one in kvm xen physdevop_map_pirq

Overview

Severity

Medium (CVSS 6.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Feb

Released

2026-09-07

EPSS Score

0.14% (percentile: 3.9%)

Affected Products (1)

Other

• 21780-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-07: Information published.