CVE-2012-4537 — Reachable Assertion in XEN

CWE-167 documents6 sources
Severity
2.1LOWNVD
EPSS
0.1%
top 71.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENDebian XEN
Timeline
PublishedNov 21
Latest updateMay 17

Description

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."

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/xen15 versions+14

🔴Vulnerability Details

2
GHSA
GHSA-m3g8-h8w3-8hqm: Xen 3↗2022-05-17
▶
OSV
CVE-2012-4537: Xen 3↗2012-11-21
▶

📋Vendor Advisories

2
Red Hat
kernel: xen: Memory mapping failure can crash Xen↗2012-11-13
▶
Debian
CVE-2012-4537: xen - Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchroniz...↗2012
▶

💬Community

2
Bugzilla
CVE-2012-4537 kernel: xen: Memory mapping failure can crash Xen [fedora-all]↗2012-11-13
▶
Bugzilla
CVE-2012-4537 kernel: xen: Memory mapping failure can crash Xen↗2012-10-25
▶