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CVE-2013-1797

18
FAUCET Score

CVE-2013-1797 is a use-after-free vulnerability in the Linux kernel (through version 3.8.4) specifically within the KVM virtualization component. This flaw allows a malicious guest OS user to trigger host OS memory corruption, leading to a denial of service or potentially other unspecified impacts, by manipulating guest physical addresses during a KVM MSR operation. The vulnerability has a CVSS score of 6.8, indicating a high severity with an adjacent network attack vector and high attack complexity. Despite its severity, there is no known public exploit code (Metasploit, Nuclei, ExploitDB), and it has received no community discussion or media coverage, suggesting it is not actively exploited or widely known.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.8.4CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
3.8.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.8.0:*:*:*:*:*:*:*
3.8.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.8.1:*:*:*:*:*:*:*
3.8.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.8.2:*:*:*:*:*:*:*
3.8.3CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.8.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
ADJACENT_NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
3.2
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 95th percentile among its peer group of 1,749 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 0.0 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 (6)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm-0:83-262.el5_9.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-358.6.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.2 EUS - Server and Compute Node OnlyFixed in: kernel-0:2.6.32-220.39.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node OnlyFixed in: kernel-0:2.6.32-279.31.1.el6
View patch
redhatpatch availablevia redhat_api
Product: RHEV 3.X Hypervisor and Agents for RHEL-6Fixed in: rhev-hypervisor6-0:6.4-20130415.0.el6_4
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kvm

Vendor Advisories (1)

redhatCVE-2013-1797Important

kernel: kvm: after free issue with the handling of MSR_KVM_SYSTEM_TIME

Mar 20, 2013

References

git.kernel.org
lists.opensuse.org / opensuse-security-announce/2013-05/msg00018.html
lists.opensuse.org / opensuse-security-announce/2013-06/msg00005.html
lists.opensuse.org / opensuse-security-announce/2013-07/msg00018.html
rhn.redhat.com / errata/RHSA-2013-0727.html
rhn.redhat.com / errata/RHSA-2013-0744.html
rhn.redhat.com / errata/RHSA-2013-0746.html
rhn.redhat.com / errata/RHSA-2013-0928.html
rhn.redhat.com / errata/RHSA-2013-1026.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/0b79459b482e85cb7426aa7da683a9f2c97aeae1
mandriva.com / security/advisories
openwall.com / lists/oss-security/2013/03/20/9
ubuntu.com / usn/USN-1809-1
ubuntu.com / usn/USN-1812-1
ubuntu.com / usn/USN-1813-1