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Fencer Intel
medium 6.2

CVE-2013-1767 json

Use-after-free vulnerability in the shmem_remount_fs function in mm/shmem.c in the Linux kernel before 3.7.10 allows local users to gain pr…

published 13y ago modified 4mo ago also EUVD-2013-1793

cvss
6.2
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 shmem_remount_fs function in mm/shmem.c in the Linux kernel before 3.7.10 allows local users to gain privileges or cause a denial of service (system crash) by remounting a tmpfs filesystem without specifying a required mpol (aka mempolicy) mount option.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 3.2.41-1

debian advisories DEBIAN-CVE-2013-1767

  • kernel RHEL 6 2.6.32-358.6.1.el6
  • perf RHEL 6 2.6.32-358.6.1.el6
  • python-perf RHEL 6 2.6.32-358.6.1.el6
  • kernel-kdump RHEL 6 2.6.32-358.6.1.el6
  • kernel-firmware RHEL 6 2.6.32-358.6.1.el6
  • kernel-bootwrapper RHEL 6 2.6.32-358.6.1.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-358.6.1.el6
  • kernel-debuginfo-common-ppc64 RHEL 6 2.6.32-358.6.1.el6

red hat advisories RHSA-2013:0744RHSA-2013:0882RHSA-2013:0829RHSA-2013:0928

Is CVE-2013-1767 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2013-1767 updated cvss 6.0

Kernel: tmpfs: fix use-after-free of mempolicy object

  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-358.6.1.el6, kernel 2.6.32-358.6.1.el6, kernel-firmware 2.6.32-358.6.1.el6, kernel-debuginfo-common-i686 2.6.32-358.6.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.6.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) kernel 2.6.32-358.6.1.el6, python-perf 2.6.32-358.6.1.el6, kernel-debuginfo-common-i686 2.6.32-358.6.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.6.1.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-358.6.1.el6, kernel 2.6.32-358.6.1.el6, kernel-firmware 2.6.32-358.6.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.6.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel 2.6.32-358.6.1.el6, python-perf 2.6.32-358.6.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.6.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-358.6.1.el6, kernel 2.6.32-358.6.1.el6, kernel-kdump 2.6.32-358.6.1.el6, kernel-firmware 2.6.32-358.6.1.el6, kernel-bootwrapper 2.6.32-358.6.1.el6, kernel-debuginfo-common-i686 2.6.32-358.6.1.el6, +3 more
    fixed: vendor fix RHSA-2013:0744
  • Red Hat Enterprise Linux Server EUS (v. 6.2) perf 2.6.32-220.38.1.el6, kernel 2.6.32-220.38.1.el6, kernel-kdump 2.6.32-220.38.1.el6, kernel-firmware 2.6.32-220.38.1.el6, kernel-bootwrapper 2.6.32-220.38.1.el6, kernel-debuginfo-common-i686 2.6.32-220.38.1.el6, +3 more
    fixed: vendor fix RHSA-2013:0882
  • Red Hat Enterprise Linux Server EUS (v. 6.3) perf 2.6.32-279.31.1.el6, kernel 2.6.32-279.31.1.el6, kernel-kdump 2.6.32-279.31.1.el6, kernel-firmware 2.6.32-279.31.1.el6, kernel-bootwrapper 2.6.32-279.31.1.el6, kernel-debuginfo-common-i686 2.6.32-279.31.1.el6, +3 more
    fixed: vendor fix RHSA-2013:0928
  • Red Hat Enterprise Linux Server Optional (v. 6) kernel 2.6.32-358.6.1.el6, python-perf 2.6.32-358.6.1.el6, kernel-debuginfo-common-i686 2.6.32-358.6.1.el6, kernel-debuginfo-common-ppc64 2.6.32-358.6.1.el6, kernel-debuginfo-common-s390x 2.6.32-358.6.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.6.1.el6
    fixed: vendor fix RHSA-2013:0744
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.2) kernel 2.6.32-220.38.1.el6, python-perf 2.6.32-220.38.1.el6, kernel-debuginfo-common-i686 2.6.32-220.38.1.el6, kernel-debuginfo-common-ppc64 2.6.32-220.38.1.el6, kernel-debuginfo-common-s390x 2.6.32-220.38.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.38.1.el6
    fixed: vendor fix RHSA-2013:0882
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.3) kernel 2.6.32-279.31.1.el6, python-perf 2.6.32-279.31.1.el6, kernel-debuginfo-common-i686 2.6.32-279.31.1.el6, kernel-debuginfo-common-ppc64 2.6.32-279.31.1.el6, kernel-debuginfo-common-s390x 2.6.32-279.31.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.31.1.el6
    fixed: vendor fix RHSA-2013:0928
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-358.6.1.el6, kernel 2.6.32-358.6.1.el6, kernel-firmware 2.6.32-358.6.1.el6, kernel-debuginfo-common-i686 2.6.32-358.6.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.6.1.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) kernel 2.6.32-358.6.1.el6, python-perf 2.6.32-358.6.1.el6, kernel-debuginfo-common-i686 2.6.32-358.6.1.el6, kernel-debuginfo-common-x86_64 2.6.32-358.6.1.el6
    fixed: vendor fix RHSA-2013:0744
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.6.11.2-rt33.39.el6rt, mrg-rt-release 3.6.11.2-rt33.39.el6rt, kernel-rt-trace 3.6.11.2-rt33.39.el6rt, kernel-rt-vanilla 3.6.11.2-rt33.39.el6rt, kernel-rt-firmware 3.6.11.2-rt33.39.el6rt, kernel-rt-debuginfo-common-x86_64 3.6.11.2-rt33.39.el6rt
    fixed: vendor fix RHSA-2013:0829
show 1 more
  • Red Hat Enterprise Linux 5 kernel
    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

0.50% 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/5f00110f7273f9ff04ac69a5f85bb535a4fd0987 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.2 AV:L/AC:H/Au:N/C:C/I:C/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.