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CVE-2016-5011

Published: 11 April 2017

The parse_dos_extended function in partitions/dos.c in the libblkid library in util-linux allows physically proximate attackers to cause a denial of service (memory consumption) via a crafted MSDOS partition table with an extended partition boot record at zero offset.

Notes

AuthorNote
eslerm
upstream patch does not apply to 2.20.1 (trusty)

Priority

Low

Cvss 3 Severity Score

4.6

Score breakdown

Status

Package Release Status
util-linux
Launchpad, Ubuntu, Debian
impish Not vulnerable
(2.33.1-0.1ubuntu2)
groovy Not vulnerable
(2.33.1-0.1ubuntu2)
hirsute Not vulnerable
(2.33.1-0.1ubuntu2)
jammy Not vulnerable
(2.33.1-0.1ubuntu2)
xenial
Released (2.27.1-6ubuntu3.10+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
kinetic Not vulnerable
(2.33.1-0.1ubuntu2)
lunar Not vulnerable
(2.33.1-0.1ubuntu2)
precise Ignored
(end of life)
artful Ignored
(end of life)
bionic Not vulnerable
(2.31.1-0.4ubuntu3.3)
cosmic Not vulnerable
(2.32-0.1ubuntu2)
disco Not vulnerable
(2.33.1-0.1ubuntu2)
eoan Not vulnerable
(2.33.1-0.1ubuntu2)
focal Not vulnerable
(2.33.1-0.1ubuntu2)
trusty Needed

upstream
Released (2.28.1-1)
wily Ignored
(end of life)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
mantic Not vulnerable
(2.33.1-0.1ubuntu2)
Patches:
upstream: https://git.kernel.org/cgit/utils/util-linux/util-linux.git/commit/?id=7164a1c34d18831ac61c6744ad14ce916d389b3f
upstream: https://git.kernel.org/cgit/utils/util-linux/util-linux.git/commit/?id=50d1594c2e6142a3b51d2143c74027480df082e0

Severity score breakdown

Parameter Value
Base score 4.6
Attack vector Physical
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H