CVE-2018-13096

medium

Description

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. 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.

References

https://bugzilla.kernel.org/show_bug.cgi?id=200167

https://usn.ubuntu.com/3821-2/

https://usn.ubuntu.com/3821-1/

https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html

https://usn.ubuntu.com/4094-1/

https://usn.ubuntu.com/4118-1/

https://seclists.org/bugtraq/2019/Jan/52

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3

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://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3

Details

Source: MITRE

Published: 2018-07-03

Updated: 2022-10-07

Type: CWE-125

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM