CVE-2018-13096 Information

Description

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. A denial of service (out-of-bounds memory access and BUG) can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html https://bugzilla.kernel.org/show_bug.cgi?id=200167 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3 https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html https://seclists.org/bugtraq/2019/Jan/52 https://usn.ubuntu.com/3821-1/ https://usn.ubuntu.com/3821-2/ https://usn.ubuntu.com/4094-1/ https://usn.ubuntu.com/4118-1/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5