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CVE-2013-1964

18
FAUCET Score

CVE-2013-1964 affects Xen versions 4.0.x and 4.1.x, stemming from an incorrect grant reference release when handling non-v1, non-transitive grants. This flaw allows local guest administrators to trigger a denial of service (host crash), potentially gain sensitive information, or achieve other impacts through unspecified vectors. With a CVSS score of 6.9 (AV:L/AC:M/Au:N/C:C/I:C/A:C), it indicates a locally exploitable vulnerability with medium attack complexity and high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.0.1:*:*:*:*:*:*:*
4.0.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.0.2:*:*:*:*:*:*:*
4.0.3CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.0.3:*:*:*:*:*:*:*
4.0.4CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

AV:L/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 35th percentile among its peer group of 1,595 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gogspatch availablevia llm_extracted

Vendor Advisories (2)

redhatCVE-2013-1964Important

xen: grant table hypercall acquire/release imbalance

Apr 18, 2013
gogsllm-gogs-2db26db55a8c0296

grant table hypercall acquire/release imbalance

Apr 18, 2013

References

lists.fedoraproject.org / pipermail/package-announce/2013-May/104537.html
lists.opensuse.org / opensuse-security-announce/2014-03/msg00021.html
secunia.com / advisories/55082
security.gentoo.org / glsa/glsa-201309-24.xml
debian.org / security/2013/dsa-2666
openwall.com / lists/oss-security/2013/04/18/9
securityfocus.com / bid/59293
securitytracker.com / id/1028459