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Fencer Intel
medium 4.9

CVE-2012-5532 json

The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.8-rc1, allows local users to cause…

published 2012-12-27 13 y ago modified 2026-06-16 4 mo ago also EUVD-2012-5424

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits
0
none known

Summary

The main function in tools/hv/hv_kvp_daemon.c in hypervkvpd, as distributed in the Linux kernel before 3.8-rc1, allows local users to cause a denial of service (daemon exit) via a crafted application that sends a Netlink message. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-2669.

Patch / fix

  • hypervkvpd RHEL 5 VIRTUALIZATION, RHEL 5 0-0.7.el5_9.3

red hat advisories RHSA-2013:0807

  • hyper-v openSUSE Tumbleweed 6-17.5

opensuse advisories openSUSE-SU-2024:10513-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-5532 updated cvss 2.1

hypervkvpd: Netlink source address validation allows denial of service

  • Red Hat Enterprise Linux (v. 5 server) hypervkvpd 0-0.7.el5_9.3 Red Hat RHEL Virtualization (v. 5 server) hypervkvpd 0-0.7.el5_9.3
    fixed: vendor fix RHSA-2013:0807
  • Red Hat Enterprise Linux 6 hypervkvpd
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.