CVE-2012-3552

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-10-03 · updated 2026-06-16
Weakness: CWE-362

Description

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.

Affected products

Linux kernel: before 3.0 — fixed in 3.0
RedHat Enterprise Linux Eus: 6.2

How to fix

Upgrade to a fixed version: Linux kernel 3.0. Check the vendor advisory for mitigations.

References

http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f6d8bd051c391c1c0458a30b2a7abcd939329259
http://rhn.redhat.com/errata/RHSA-2012-1540.html
http://www.openwall.com/lists/oss-security/2012/08/31/11
https://bugzilla.redhat.com/show_bug.cgi?id=853465
https://github.com/torvalds/linux/commit/f6d8bd051c391c1c0458a30b2a7abcd939329259
http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f6d8bd051c391c1c0458a30b2a7abcd939329259
http://rhn.redhat.com/errata/RHSA-2012-1540.html
http://www.openwall.com/lists/oss-security/2012/08/31/11
https://bugzilla.redhat.com/show_bug.cgi?id=853465
https://github.com/torvalds/linux/commit/f6d8bd051c391c1c0458a30b2a7abcd939329259

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