CVE-2012-6031

The do_tmem_get function in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (CPU hang and host crash) via unspecified vectors related to a spinlock being held in the "bad_copy error path." NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.

Published: 2012-11-23 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-6031 is rated Low Risk (29.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.37%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2012-6031

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% 0.37% +0.31%
2 2023-03-07 1.28% 0.06% -1.22%
3 2022-02-04 — 1.28% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-6031

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.7 2.0 MEDIUM
AV:L/AC:M/Au:N/C:N/I:N/A:C 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:C)
Complete availability impact.
 3.4 6.9 [email protected]

Weakness enumeration for CVE-2012-6031

OS Trackers for CVE-2012-6031

vendor priority summary link
debian unimportant CVE-2012-6031 unimportant 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-2012-6031
gentoo normal CVE-2012-6031: 2 GLSA(s) (201309-24, 201604-03), 4 atom(s) (app-emulation/pvgrub, app-emulation/xen, app-emulation/xen-pvgrub, app-emulation/xen-tools); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2012-6031
redhat — — https://access.redhat.com/security/cve/CVE-2012-6031
ubuntu low CVE-2012-6031 low priority: Ubuntu including 4 source packages (xen, xen-3.1, xen-3.2, xen-3.3), 28 status rows across 7 suites (hardy, lucid, natty, oneiric, precise, quantal, upstream): DNE 17, ignored 4, needs-triage 4, not-affected 3. https://ubuntu.com/security/CVE-2012-6031

Affected software / configurations for CVE-2012-6031

Vendor Product Version Raw CPE
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:*:*:*:*:*:*:*
xen xen 4.2.0 cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*

References for CVE-2012-6031

cvelogic Threat Intelligence