CVE-2013-4312

MEDIUM

Description

The Linux kernel before 4.4.1 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by sending each descriptor over a UNIX socket before closing it, related to net/unix/af_unix.c and net/unix/garbage.c.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=712f4aad406bb1ed67f3f98d04c044191f0ff593

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.html

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html

http://rhn.redhat.com/errata/RHSA-2016-0855.html

http://rhn.redhat.com/errata/RHSA-2016-2574.html

http://rhn.redhat.com/errata/RHSA-2016-2584.html

http://www.debian.org/security/2016/dsa-3448

http://www.debian.org/security/2016/dsa-3503

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1

http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

http://www.securityfocus.com/bid/82986

http://www.ubuntu.com/usn/USN-2929-1

http://www.ubuntu.com/usn/USN-2929-2

http://www.ubuntu.com/usn/USN-2931-1

http://www.ubuntu.com/usn/USN-2932-1

http://www.ubuntu.com/usn/USN-2967-1

http://www.ubuntu.com/usn/USN-2967-2

https://bugzilla.redhat.com/show_bug.cgi?id=1297813

https://github.com/torvalds/linux/commit/712f4aad406bb1ed67f3f98d04c044191f0ff593

https://security-tracker.debian.org/tracker/CVE-2013-4312

Details

Source: MITRE

Published: 2016-02-08

Updated: 2018-01-05

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 6.2

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.5

Severity: MEDIUM