CVE-2018-13100

MEDIUM

Linux Kernel < 4.17.3 - Divide By Zero

Title source: rule

Description

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secs_per_zone in a corrupted f2fs image, as demonstrated by a divide-by-zero error.

References (11)

[Vendor Advisory] https://usn.ubuntu.com/3932-1/

[Vendor Advisory] https://usn.ubuntu.com/3932-2/

[Vendor Advisory] https://usn.ubuntu.com/4094-1/

[Vendor Advisory] https://usn.ubuntu.com/4118-1/

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/104679

[Issue Tracking, Third Party Advisory] https://bugzilla.kernel.org/show_bug.cgi?id=200183

[Third Party Advisory] https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html

[Mailing List] https://seclists.org/bugtraq/2019/Jan/52

[Patch] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=42bf546c1fe3f3654bdf914e977acbc2b80a5be5

[Exploit, Third Party Advisory] http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

Scores

CVSS v3 5.5

EPSS 0.0029

EPSS Percentile 52.4%

Attack Vector LOCAL

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

Classification

CWE

CWE-369

Status published

Affected Products (2)

linux/linux_kernel < 4.17.3

debian/debian_linux

Timeline

Published Jul 03, 2018

Tracked Since Feb 18, 2026