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Fencer Intel
medium 5.9

CVE-2012-3552 json

Race condition in the IP implementation in the Linux kernel before 3.0 might allow remote attackers to cause a denial of service (slab corr…

published 2012-10-03 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3499

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Race condition in the IP implementation in the Linux kernel before 3.0 might allow remote attackers to cause a denial of service (slab corruption and system crash) by sending packets to an application that sets socket options during the handling of network traffic.

Patch / fix

  • linux linux_kernel 3.0
  • linux Debian 14, Debian 13, Debian 12 3.0-1

debian advisories DEBIAN-CVE-2012-3552

  • kernel RHEL 5 2.6.18-308.24.1.el5
  • kernel-PAE RHEL 5 2.6.18-308.24.1.el5
  • kernel-xen RHEL 5 2.6.18-308.24.1.el5
  • kernel-kdump RHEL 5 2.6.18-308.24.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-308.24.1.el5
  • kernel RHEL 6 2.6.32-279.9.1.el6
  • perf RHEL 6 2.6.32-279.9.1.el6
  • python-perf RHEL 6 2.6.32-279.9.1.el6

red hat advisories RHSA-2012:1540RHSA-2012:1304

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-2012-3552 updated cvss 5.4

kernel: net: slab corruption due to improper synchronization around inet->opt

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-308.24.1.el5, kernel-PAE 2.6.18-308.24.1.el5, kernel-xen 2.6.18-308.24.1.el5, kernel-kdump 2.6.18-308.24.1.el5, kernel-debuginfo-common 2.6.18-308.24.1.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-308.24.1.el5, kernel-PAE 2.6.18-308.24.1.el5, kernel-xen 2.6.18-308.24.1.el5, kernel-debuginfo-common 2.6.18-308.24.1.el5
    fixed: vendor fix RHSA-2012:1540
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-279.9.1.el6, kernel 2.6.32-279.9.1.el6, kernel-firmware 2.6.32-279.9.1.el6, kernel-debuginfo-common-i686 2.6.32-279.9.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.9.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) kernel 2.6.32-279.9.1.el6, python-perf 2.6.32-279.9.1.el6, kernel-debuginfo-common-i686 2.6.32-279.9.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.9.1.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-279.9.1.el6, kernel 2.6.32-279.9.1.el6, kernel-firmware 2.6.32-279.9.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.9.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel 2.6.32-279.9.1.el6, python-perf 2.6.32-279.9.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.9.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-279.9.1.el6, kernel 2.6.32-279.9.1.el6, kernel-kdump 2.6.32-279.9.1.el6, kernel-firmware 2.6.32-279.9.1.el6, kernel-bootwrapper 2.6.32-279.9.1.el6, kernel-debuginfo-common-i686 2.6.32-279.9.1.el6, +3 more Red Hat Enterprise Linux Server Optional (v. 6) kernel 2.6.32-279.9.1.el6, python-perf 2.6.32-279.9.1.el6, kernel-debuginfo-common-i686 2.6.32-279.9.1.el6, kernel-debuginfo-common-ppc64 2.6.32-279.9.1.el6, kernel-debuginfo-common-s390x 2.6.32-279.9.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.9.1.el6
    +2 more products
    Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-279.9.1.el6, kernel 2.6.32-279.9.1.el6, kernel-firmware 2.6.32-279.9.1.el6, kernel-debuginfo-common-i686 2.6.32-279.9.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.9.1.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) kernel 2.6.32-279.9.1.el6, python-perf 2.6.32-279.9.1.el6, kernel-debuginfo-common-i686 2.6.32-279.9.1.el6, kernel-debuginfo-common-x86_64 2.6.32-279.9.1.el6
    fixed: vendor fix RHSA-2012:1304
  • 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

2.85% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
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.