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Fencer Intel
medium 4.9

CVE-2013-4483 json

The ipc_rcu_putref function in ipc/util.c in the Linux kernel before 3.10 does not properly manage a reference count, which allows local us…

published 13y ago modified 4mo ago also EUVD-2013-4348

cvss
4.9
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 42%
public exploits
0
none known

Summary

The ipc_rcu_putref function in ipc/util.c in the Linux kernel before 3.10 does not properly manage a reference count, which allows local users to cause a denial of service (memory consumption or system crash) via a crafted application.

Patch / fix

  • linux Debian 14, Debian 13, Debian 12 3.11.8-1

debian advisories DEBIAN-CVE-2013-4483

  • kernel RHEL 6 2.6.32-504.el6
  • perf RHEL 6 2.6.32-504.el6
  • python-perf RHEL 6 2.6.32-504.el6
  • kernel-kdump RHEL 6 2.6.32-504.el6
  • kernel-firmware RHEL 6 2.6.32-504.el6
  • kernel-bootwrapper RHEL 6 2.6.32-504.el6
  • kernel-abi-whitelists RHEL 6 2.6.32-504.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-504.el6

red hat advisories RHSA-2015:0284RHSA-2014:1392RHSA-2014:0285RHSA-2014:0439

Is CVE-2013-4483 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-2013-4483 updated cvss 4.9

kernel: ipc: ipc_rcu_putref refcount races

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-371.6.1.el5, kernel-PAE 2.6.18-371.6.1.el5, kernel-xen 2.6.18-371.6.1.el5, kernel-kdump 2.6.18-371.6.1.el5, kernel-debuginfo-common 2.6.18-371.6.1.el5
    fixed: vendor fix RHSA-2014:0285
  • Red Hat Enterprise Linux Compute Node Optional EUS (v. 6.5) kernel 2.6.32-431.50.1.el6, python-perf 2.6.32-431.50.1.el6, kernel-debuginfo-common-x86_64 2.6.32-431.50.1.el6
    fixed: vendor fix RHSA-2015:0284
  • Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-371.6.1.el5, kernel-PAE 2.6.18-371.6.1.el5, kernel-xen 2.6.18-371.6.1.el5, kernel-debuginfo-common 2.6.18-371.6.1.el5
    fixed: vendor fix RHSA-2014:0285
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6
    fixed: vendor fix RHSA-2014:1392
  • Red Hat Enterprise Linux HPC Node EUS (v. 6.5) perf 2.6.32-431.50.1.el6, kernel 2.6.32-431.50.1.el6, kernel-firmware 2.6.32-431.50.1.el6, kernel-abi-whitelists 2.6.32-431.50.1.el6, kernel-debuginfo-common-x86_64 2.6.32-431.50.1.el6
    fixed: vendor fix RHSA-2015:0284
  • Red Hat Enterprise Linux HPC Node Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-kdump 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-bootwrapper 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, +4 more
    fixed: vendor fix RHSA-2014:1392
  • Red Hat Enterprise Linux Server EUS (v. 6.5) perf 2.6.32-431.50.1.el6, kernel 2.6.32-431.50.1.el6, kernel-kdump 2.6.32-431.50.1.el6, kernel-firmware 2.6.32-431.50.1.el6, kernel-bootwrapper 2.6.32-431.50.1.el6, kernel-abi-whitelists 2.6.32-431.50.1.el6, +4 more
    fixed: vendor fix RHSA-2015:0284
  • Red Hat Enterprise Linux Server Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-ppc64 2.6.32-504.el6, kernel-debuginfo-common-s390x 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6
    fixed: vendor fix RHSA-2014:1392
show 4 more
  • Red Hat Enterprise Linux Server Optional EUS (v. 6.5) kernel 2.6.32-431.50.1.el6, python-perf 2.6.32-431.50.1.el6, kernel-debuginfo-common-i686 2.6.32-431.50.1.el6, kernel-debuginfo-common-ppc64 2.6.32-431.50.1.el6, kernel-debuginfo-common-s390x 2.6.32-431.50.1.el6, kernel-debuginfo-common-x86_64 2.6.32-431.50.1.el6
    fixed: vendor fix RHSA-2015:0284
  • Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-504.el6, kernel 2.6.32-504.el6, kernel-firmware 2.6.32-504.el6, kernel-abi-whitelists 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) python-perf 2.6.32-504.el6, kernel-debuginfo-common-i686 2.6.32-504.el6, kernel-debuginfo-common-x86_64 2.6.32-504.el6
    fixed: vendor fix RHSA-2014:1392
  • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt 3.10.33-rt32.33.el6rt, kernel-rt-trace 3.10.33-rt32.33.el6rt, kernel-rt-vanilla 3.10.33-rt32.33.el6rt, kernel-rt-firmware 3.10.33-rt32.33.el6rt, kernel-rt-debuginfo-common-x86_64 3.10.33-rt32.33.el6rt
    fixed: vendor fix RHSA-2014:0439
  • Red Hat Enterprise Linux (v. 5 server) kernel-headers 2.6.18-371.6.1.el5 Red Hat Enterprise Linux 7 perf, kernel, bpftool, python-perf, kernel-kdump, kernel-tools, +3 more Red Hat Enterprise Linux Desktop (v. 5 client) kernel-headers 2.6.18-371.6.1.el5
    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

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/torvalds/linux/commit/6062a8dc0517bce23e3c2f7d2fea5e22411269a3 referenced PoC, tagged "exploit" by a source, unverified

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

Weakness
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.