Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2013-4592

13
FAUCET Score

CVE-2013-4592 describes a memory leak vulnerability in the Linux kernel, specifically within the __kvm_set_memory_region function in virt/kvm/kvm_main.c, affecting versions prior to 3.9. This flaw allows a local attacker to trigger a denial of service by consuming system memory through manipulation of KVM memory slots. The vulnerability has a CVSS score of 4.0, indicating low attack complexity and local access requirements, with a high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:rc7:*:*:*:*:*:*
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

4.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.50%
Probability of exploitation in next 30 days
EPSS Percentile
40.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0050 is in the 77th 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 (3)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-431.el6
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm

Vendor Advisories (1)

redhatCVE-2013-4592Moderate

kernel: kvm: memory leak when memory slot is moved with assigned device

Dec 10, 2012

References

git.kernel.org
git.kernel.org
lists.opensuse.org / opensuse-updates/2014-02/msg00045.html
rhn.redhat.com / errata/RHSA-2013-1645.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/12d6e7538e2d418c08f082b1b44ffa5fb7270ed8
ExploitPatch
github.com / torvalds/linux/commit/e40f193f5bb022e927a57a4f5d5194e4f12ddb74
ExploitPatch
kernel.org / pub/linux/kernel/v3.x/patch-3.9.bz2
Patch
openwall.com / lists/oss-security/2013/11/18/3
ubuntu.com / usn/USN-2066-1
ubuntu.com / usn/USN-2067-1
ubuntu.com / usn/USN-2111-1
ubuntu.com / usn/USN-2112-1
ubuntu.com / usn/USN-2114-1
ubuntu.com / usn/USN-2115-1
ubuntu.com / usn/USN-2116-1