UBUNTU-CVE-2015-8324

Description

The ext4 implementation in the Linux kernel before 2.6.34 does not properly track the initialization of certain data structures, which allows physically proximate attackers to cause a denial of service (NULL pointer dereference and panic) via a crafted USB device, related to the ext4_fill_super function.

CVSS Metrics

• v3.0•MEDIUM•Score: 4.6CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

• ubuntu•linux

  < 3.11.0-12.19 | < 4.2.0-16.19

• ubuntu•linux-aws

  < 4.4.0-1002.2 | < 4.4.0-1001.10

• ubuntu•linux-flo

  < 3.4.0-5.22

• ubuntu•linux-gke

  < 4.4.0-1003.3

• ubuntu•linux-goldfish

  < 3.4.0-4.27

• ubuntu•linux-hwe

  < 4.8.0-36.36~16.04.1

• ubuntu•linux-lts-utopic

  < 3.16.0-25.33~14.04.2

• ubuntu•linux-lts-vivid

  < 3.19.0-18.18~14.04.1

• ubuntu•linux-lts-wily

  < 4.2.0-18.22~14.04.1

• ubuntu•linux-lts-xenial

  < 4.4.0-13.29~14.04.1

• ubuntu•linux-mako

  < 3.4.0-7.40

• ubuntu•linux-raspi2

  < 4.2.0-1013.19

• ubuntu•linux-snapdragon

  < 4.4.0-1012.12

References (5)

• https://ubuntu.com/security/CVE-2015-8324
• http://www.openwall.com/lists/oss-security/2015/11/23/2
• https://bugs.openvz.org/browse/OVZ-6541
• https://bugzilla.redhat.com/show_bug.cgi?id=1267261
• https://www.cve.org/CVERecord?id=CVE-2015-8324