CVE-2018-13100

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-07-03 · updated 2026-06-17
Weakness: CWE-369

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.

Affected products

Debian Linux: 8.0
Linux kernel: through 4.17.3

References

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
http://www.securityfocus.com/bid/104679
https://bugzilla.kernel.org/show_bug.cgi?id=200183
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=42bf546c1fe3f3654bdf914e977acbc2b80a5be5
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://seclists.org/bugtraq/2019/Jan/52
https://usn.ubuntu.com/3932-1/
https://usn.ubuntu.com/3932-2/
https://usn.ubuntu.com/4094-1/
https://usn.ubuntu.com/4118-1/
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html

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