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Fencer Intel
high 7.2

CVE-2011-1006 json

Heap-based buffer overflow in the parse_cgroup_spec function in tools/tools-common.c in the Control Group Configuration Library (aka libcgr…

published 2011-03-22 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1023

cvss
7.2
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 36%
public exploits
0
none known

Summary

Heap-based buffer overflow in the parse_cgroup_spec function in tools/tools-common.c in the Control Group Configuration Library (aka libcgroup or libcg) before 0.37.1 allows local users to gain privileges via a crafted controller list on the command line of an application. NOTE: it is not clear whether this issue crosses privilege boundaries.

Patch / fix

  • libcgroup Debian 14, Debian 13, Debian 12 0.37.1-1

debian advisories DEBIAN-CVE-2011-1006

  • libcgroup RHEL 6 0.36.1-6.el6_0.1
  • libcgroup-pam RHEL 6 0.36.1-6.el6_0.1

red hat advisories RHSA-2011:0320

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-2011-1006 updated cvss 7.2

libcgroup: Heap-based buffer overflow by converting list of controllers for given task into an array of strings

  • Red Hat Enterprise Linux Desktop (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1 Red Hat Enterprise Linux Desktop Optional (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1 Red Hat Enterprise Linux HPC Node (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1 Red Hat Enterprise Linux HPC Node Optional (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1 Red Hat Enterprise Linux Server (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1 Red Hat Enterprise Linux Server Optional (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1 Red Hat Enterprise Linux Workstation Optional (v. 6) libcgroup 0.36.1-6.el6_0.1, libcgroup-pam 0.36.1-6.el6_0.1
    fixed: vendor fix RHSA-2011:0320

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

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.