CVE-2012-2119

medium

Description

Buffer overflow in the macvtap device driver in the Linux kernel before 3.4.5, when running in certain configurations, allows privileged KVM guest users to cause a denial of service (crash) via a long descriptor with a long vector length.

References

https://oss.oracle.com/git/?p=redpatch.git%3Ba=commit%3Bh=4aae94d1c7b32316911c86176c0ed4f8ed62da73

https://github.com/torvalds/linux/commit/b92946e2919134ebe2a4083e4302236295ea2a73

https://euvd.enisa.europa.eu/vulnerability/EUVD-2012-2121

http://www.openwall.com/lists/oss-security/2012/04/19/14

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.5

http://ubuntu.com/usn/usn-1529-1

http://rhn.redhat.com/errata/RHSA-2012-0743.html

http://marc.info/?l=linux-netdev&m=133455718001608&w=2

http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b92946e2919134ebe2a4083e4302236295ea2a73

http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=814278

Details

Source: Mitre, NVD

Published: 2013-01-22

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5.2

Vector: CVSS2#AV:A/AC:M/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H