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CVE-2012-5532

19
FAUCET Score

CVE-2012-5532 is a denial-of-service vulnerability affecting the hypervkvpd daemon in the Linux kernel (before 3.8-rc1). A local attacker can exploit this flaw by sending a specially crafted Netlink message, causing the daemon to exit. With a CVSS score of 4.9 (AV:L/AC:L/Au:N/C:N/I:N/A:C), this vulnerability has low attack complexity and requires local access, resulting in a complete loss of availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.7.1CPE 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

4.9MEDIUM

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

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

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 61st percentile among its peer group of 3,049 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: hypervkvpd-0:0-0.7.el5_9.3
View patch

Vendor Advisories (1)

redhatCVE-2012-5532Low

hypervkvpd: Netlink source address validation allows denial of service

Jun 6, 2012

References

git.kernel.org
rhn.redhat.com / errata/RHSA-2013-0807.html
bugzilla.novell.com / show_bug.cgi
bugzilla.redhat.com / show_bug.cgi
exchange.xforce.ibmcloud.com / vulnerabilities/80337
github.com / torvalds/linux/commit/95a69adab9acfc3981c504737a2b6578e4d846ef
kernel.org / pub/linux/kernel/v3.x/testing
kernel.org / pub/linux/kernel/v3.x/testing/patch-3.8-rc1.bz2
Patch
mandriva.com / security/advisories
openwall.com / lists/oss-security/2012/11/27/12
securityfocus.com / bid/56710