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CVE-2013-6376

15
FAUCET Score

CVE-2013-6376 is a denial-of-service vulnerability affecting the KVM subsystem in the Linux kernel (through version 3.12.5). A guest OS user can trigger a host OS crash by performing a crafted ICR write operation in x2apic mode. The vulnerability has a CVSS score of 5.2, indicating a medium severity, with an adjacent network attack vector, medium access complexity, and complete availability impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.12.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.2MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
4.4
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 90th percentile among its peer group of 74 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-6376Important

kernel: kvm: BUG_ON() in apic_cluster_id()

Dec 12, 2013

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2014-02/msg00002.html
lists.opensuse.org / opensuse-security-announce/2014-02/msg00003.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/17d68b763f09a9ce824ae23eb62c9efc57b69271
ExploitPatch
openwall.com / lists/oss-security/2013/12/12/12
securityfocus.com / bid/64319
ubuntu.com / usn/USN-2113-1
ubuntu.com / usn/USN-2117-1
ubuntu.com / usn/USN-2136-1