CVE-2013-4494 — Improper Input Validation in XEN

CWE-20 — Improper Input Validation7 documents6 sources
Severity
5.2MEDIUMNVD
EPSS
0.3%
top 46.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
XENDebian XENDebian Linux
Timeline
PublishedNov 2
Latest updateMay 14

Description

Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_table.lock in the same order, which allows local guest administrators with access to multiple vcpus to cause a denial of service (host deadlock) via unspecified vectors.

CVSS vector

AV:A/AC:M/C:N/I:N/A:CExploitability: 4.4 | Impact: 6.9

Affected Packages3 packages

▶debiandebian/xen< xen 4.4.0-1 (bookworm)
▶Debianxen/xen< 4.4.0-1+3
▶NVDxen/xen4.1.0 — 4.1.6.1+2

Also affects: Debian Linux 7.0

🔴Vulnerability Details

2
GHSA
GHSA-r35f-92wf-6vvc: Xen before 4↗2022-05-14
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OSV
CVE-2013-4494: Xen before 4↗2013-11-02
▶

📋Vendor Advisories

2
Red Hat
kernel: xen: Lock order reversal between page allocation and grant table locks↗2013-11-01
▶
Debian
CVE-2013-4494: xen - Xen before 4.1.x, 4.2.x, and 4.3.x does not take the page_alloc_lock and grant_t...↗2013
▶

💬Community

2
Bugzilla
CVE-2013-4494 kernel: xen: Lock order reversal between page allocation and grant table locks↗2013-11-04
▶
Bugzilla
CVE-2013-4494 kernel: xen: Lock order reversal between page allocation and grant table locks [fedora-all]↗2013-11-04
▶