CVE-2012-5514 — XEN vulnerability

7 documents6 sources
Severity
4.7MEDIUMNVD
EPSS
0.1%
top 78.78%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENDebian XEN
Timeline
PublishedDec 13
Latest updateMay 17

Description

The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does not properly unlock the subject GFNs when checking if they are in use, which allows local guest HVM administrators to cause a denial of service (hang) via unspecified vectors.

CVSS vector

AV:L/AC:M/C:N/I:N/A:CExploitability: 3.4 | Impact: 6.9

Affected Packages3 packages

▶debiandebian/xen< xen 4.1.3-6 (bookworm)
▶Debianxen/xen< 4.1.3-6+3
▶NVDxen/xen4.2.0+26

🔴Vulnerability Details

2
GHSA
GHSA-w353-4w98-xmh3: The guest_physmap_mark_populate_on_demand function in Xen 4↗2022-05-17
▶
OSV
CVE-2012-5514: The guest_physmap_mark_populate_on_demand function in Xen 4↗2012-12-13
▶

📋Vendor Advisories

2
Red Hat
kernel: xen: Broken error handling in guest_physmap_mark_populate_on_demand()↗2012-12-03
▶
Debian
CVE-2012-5514: xen - The guest_physmap_mark_populate_on_demand function in Xen 4.2 and earlier does n...↗2012
▶

💬Community

2
Bugzilla
CVE-2012-5514 kernel: xen: Broken error handling in guest_physmap_mark_populate_on_demand() [fedora-all]↗2012-12-03
▶
Bugzilla
CVE-2012-5514 kernel: xen: Broken error handling in guest_physmap_mark_populate_on_demand()↗2012-11-16
▶