CVE-2012-4536
low
CVSS v3
—
CVSS v2
2.1
VIR risk
2.1
Description
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-4536
Vendor advisory: secalert@redhat.com — http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 4.1.3-4 |
| debian | bullseye | fixed | 4.1.3-4 |
| debian | forky | fixed | 4.1.3-4 |
| debian | sid | fixed | 4.1.3-4 |
| debian | trixie | fixed | 4.1.3-4 |
References
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html
- http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html
- http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html
- http://osvdb.org/87297
- http://secunia.com/advisories/51200
- http://secunia.com/advisories/51324
- http://secunia.com/advisories/51352
- http://secunia.com/advisories/51413
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.openwall.com/lists/oss-security/2012/11/13/2
- http://www.securityfocus.com/bid/56498
- http://www.securitytracker.com/id?1027760
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80023
- https://security.gentoo.org/glsa/201604-03
- https://security-tracker.debian.org/tracker/CVE-2012-4536
Verify integrity in audit chain (admin only). AS-IS.