Skip to content
Fencer Intel
medium 5.6

CVE-2012-3510 json

Use-after-free vulnerability in the xacct_add_tsk function in kernel/tsacct.c in the Linux kernel before 2.6.19 allows local users to obtai…

published 2012-10-03 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3465

cvss
5.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

Use-after-free vulnerability in the xacct_add_tsk function in kernel/tsacct.c in the Linux kernel before 2.6.19 allows local users to obtain potentially sensitive information from kernel memory or cause a denial of service (system crash) via a taskstats TASKSTATS_CMD_ATTR_PID command.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 2.6.20-1

debian advisories DEBIAN-CVE-2012-3510

  • kernel RHEL 5 2.6.18-308.16.1.el5
  • kernel-PAE RHEL 5 2.6.18-308.16.1.el5
  • kernel-xen RHEL 5 2.6.18-308.16.1.el5
  • kernel-kdump RHEL 5 2.6.18-308.16.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-308.16.1.el5

red hat advisories RHSA-2012:1323

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-2012-3510 updated cvss 5.6

kernel: taskstats: use-after-free in xacct_add_tsk()

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-308.16.1.el5, kernel-PAE 2.6.18-308.16.1.el5, kernel-xen 2.6.18-308.16.1.el5, kernel-kdump 2.6.18-308.16.1.el5, kernel-debuginfo-common 2.6.18-308.16.1.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-308.16.1.el5, kernel-PAE 2.6.18-308.16.1.el5, kernel-xen 2.6.18-308.16.1.el5, kernel-debuginfo-common 2.6.18-308.16.1.el5
    fixed: vendor fix RHSA-2012:1323
  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    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

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/torvalds/linux/commit/f0ec1aaf54caddd21c259aea8b2ecfbde4ee4fb9 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.6 AV:L/AC:L/Au:N/C:P/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors
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.