CVE-2018-13096

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% 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-125

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.

Affected products

Canonical Ubuntu Linux: 14.04, 16.04, 18.04
Debian Linux: 8.0
Linux kernel: through 4.14
openSUSE Leap: 42.3

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
https://bugzilla.kernel.org/show_bug.cgi?id=200167
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=e34438c903b653daca2b2a7de95aed46226f8ed3
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/
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html

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