CVE-2012-0218

Xen 3.4, 4.0, and 4.1, when the guest OS has not registered a handler for a syscall or sysenter instruction, does not properly clear a flag for exception injection when injecting a General Protection Fault, which allows local PV guest OS users to cause a denial of service (guest crash) by later triggering an exception that would normally be handled within Xen.

Published: 2012-12-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-0218 is rated Low Risk (18.9/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.40%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-0218

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.40% +0.34%
2 2023-03-07 0.95% 0.06% -0.89%
3 2022-02-04 0.95%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0218

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
1.9 2.0 LOW
AV:L/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
3.4 2.9 [email protected]

Weakness enumeration for CVE-2012-0218

OS Trackers for CVE-2012-0218

vendor priority summary link
debian not yet assigned CVE-2012-0218 not yet assigned priority: Debian including 1 source packages (xen), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2012-0218
gentoo high CVE-2012-0218: 1 GLSA(s) (201309-24), 3 atom(s) (app-emulation/xen, app-emulation/xen-pvgrub, app-emulation/xen-tools); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-0218
redhat medium https://access.redhat.com/security/cve/CVE-2012-0218
ubuntu low CVE-2012-0218 low priority: Ubuntu including 4 source packages (xen, xen-3.1, xen-3.2, xen-3.3), 36 status rows across 9 suites (hardy, lucid, natty, oneiric, precise, quantal, raring, saucy, upstream): DNE 23, released 4, ignored 3, needs-triage 3, not-affected 3. https://ubuntu.com/security/CVE-2012-0218

Affected software / configurations for CVE-2012-0218

Vendor Product Version Raw CPE
xen xen 3.4.0 cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
xen xen 4.0.0 cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
xen xen 4.1.0 cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*

References for CVE-2012-0218

cvelogic Threat Intelligence