CVE-2012-4536 — XEN vulnerability

7 documents6 sources
Severity
2.1LOWNVD
EPSS
0.1%
top 75.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENDebian XEN
Timeline
PublishedNov 21
Latest updateMay 17

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.

CVSS vector

AV:L/AC:L/C:N/I:N/A:PExploitability: 3.9 | Impact: 2.9

Affected Packages3 packages

▶debiandebian/xen< xen 4.1.3-4 (bookworm)
▶Debianxen/xen< 4.1.3-4+3
▶NVDxen/xen2.2.0

🔴Vulnerability Details

2
GHSA
GHSA-75wr-64hp-88pq: The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2↗2022-05-17
▶
OSV
CVE-2012-4536: The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2↗2012-11-21
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📋Vendor Advisories

2
Red Hat
kernel: xen: PIRQ unmap missing range check causes hypervisor crash↗2012-11-13
▶
Debian
CVE-2012-4536: xen - The (1) domain_pirq_to_emuirq and (2) physdev_unmap_pirq functions in Xen 2.2 al...↗2012
▶

💬Community

2
Bugzilla
CVE-2012-4536 kernel: xen: PIRQ unmap missing range check causes hypervisor crash [fedora-all]↗2012-11-13
▶
Bugzilla
CVE-2012-4536 kernel: xen: PIRQ unmap missing range check causes hypervisor crash↗2012-10-25
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