CVE-2012-4536

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest...

2.1 LowFix available

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest OS administrators to cause a denial of service (Xen crash) via a crafted pirq value that triggers an out-of-bounds read.

Exploit likelihood

0.42%Down 1.1 points since Feb 4, 2022

What each source reports

NVD Score used 2.1

Record: CVE-2012-4536
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-4536
Updated: 2026-11-02

EUVDEUVD-2012-4464 No score

Record: EUVD-2012-4464
Updated: 2026-11-03

GitHub AdvisoriesGHSA-75wr-64hp-88pq No score

The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 allows local guest...

Record: GHSA-75wr-64hp-88pq
Updated: 2026-11-02

OSV No score

Record: CVE-2012-4536
Updated: 2026-11-02

OSVDEBIAN-CVE-2012-4536 No score

Record: DEBIAN-CVE-2012-4536
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10196-1 No score

xen-4.7.0_12-1.3 on GA media

These are all security issues fixed in the xen-4.7.0_12-1.3 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10196-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`xen` Debian:12	before 4.1.3-4	4.1.3-4
`xen` Debian:13	before 4.1.3-4	4.1.3-4
`xen` Debian:14	before 4.1.3-4	4.1.3-4
`xen` openSUSE:Tumbleweed	before 4.7.0_12-1.3	4.7.0_12-1.3

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2012-4536 is a low vulnerability (CVSS 2.1) in Xen, published November 21, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.42%, the 36th percentile. Fixed in xen 4.1.3-4.

References

Show 138 moreShow less