CVE-2012-4398

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-18 · updated 2026-06-16
Weakness: CWE-20

Description

The __request_module function in kernel/kmod.c in the Linux kernel before 3.4 does not set a certain killable attribute, which allows local users to cause a denial of service (memory consumption) via a crafted application.

Affected products

Linux kernel: through 3.4; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+119)

References

http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://lkml.indiana.edu/hypermail/linux/kernel/1202.0/03340.html
http://rhn.redhat.com/errata/RHSA-2013-0223.html
http://rhn.redhat.com/errata/RHSA-2013-1348.html
http://secunia.com/advisories/55077
http://www.kernel.org/pub/linux/kernel/v3.x/linux-3.4.tar.bz2
http://www.openwall.com/lists/oss-security/2012/09/02/3
http://www.securityfocus.com/bid/55361
https://bugzilla.redhat.com/show_bug.cgi?id=853474
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html

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