CVE-2013-6381

Severity: medium (CVSS 6.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-11-27 · updated 2026-06-17
Weakness: CWE-119

Description

Buffer overflow in the qeth_snmp_command function in drivers/s390/net/qeth_core_main.c in the Linux kernel through 3.12.1 allows local users to cause a denial of service or possibly have unspecified other impact via an SNMP ioctl call with a length value that is incompatible with the command-buffer size.

Affected products

Linux kernel: before 3.2.54; from 3.3 before 3.4.72; from 3.5 before 3.10.22; from 3.11 before 3.12.3 — fixed in 3.10.22, 3.12.3, 3.2.54, 3.4.72

How to fix

Upgrade to a fixed version: Linux kernel 3.10.22, 3.12.3, 3.2.54, 3.4.72. Check the vendor advisory for mitigations.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6fb392b1a63ae36c31f62bc3fc8630b49d602b62
http://rhn.redhat.com/errata/RHSA-2014-0159.html
http://rhn.redhat.com/errata/RHSA-2014-0284.html
http://rhn.redhat.com/errata/RHSA-2014-0285.html
http://www.openwall.com/lists/oss-security/2013/11/22/5
http://www.securityfocus.com/bid/63890
https://bugzilla.redhat.com/show_bug.cgi?id=1033600
https://github.com/torvalds/linux/commit/6fb392b1a63ae36c31f62bc3fc8630b49d602b62
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6fb392b1a63ae36c31f62bc3fc8630b49d602b62
http://rhn.redhat.com/errata/RHSA-2014-0159.html
http://rhn.redhat.com/errata/RHSA-2014-0284.html
http://rhn.redhat.com/errata/RHSA-2014-0285.html

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