CVE-2018-13097

medium

Description

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. There is an out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image, leading to a denial of service (BUG).

References

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

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

https://usn.ubuntu.com/3932-2/

https://usn.ubuntu.com/3932-1/

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

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

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9dc956b2c8523aed39d1e6508438be9fea28c8fc

https://bugzilla.kernel.org/show_bug.cgi?id=200171

http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html

http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html

Details

Source: Mitre, NVD

Published: 2018-07-03

Updated: 2019-04-03

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.5

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