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CVE-2013-3237

15
FAUCET Score

CVE-2013-3237 describes an information disclosure vulnerability in the Linux kernel's vsock_stream_sendmsg function, affecting versions prior to 3.9-rc7. This flaw allows local users to extract sensitive information from kernel stack memory by sending crafted recvmsg or recvfrom system calls. With a CVSS score of 4.9 (AV:L/AC:L/Au:N/C:C/I:N/A:N), it is a low-severity vulnerability requiring local access to achieve a high impact on confidentiality. 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:*:rc6:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc1:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc2:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc3:*:*:*:*:*:*
3.9CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:3.9:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 55th percentile among its peer group of 3,052 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, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2013-3237Low

kernel: VSOCK: Fix missing msg_namelen update in vsock_stream_recvmsg

Apr 7, 2013

References

git.kernel.org
github.com / torvalds/linux/commit/d5e0d0f607a7a029c6563a0470d88255c89a8d11
Vendor Advisory
lkml.org / lkml/2013/4/14/107
Vendor Advisory
openwall.com / lists/oss-security/2013/04/14/3