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 (10)
Core 10
Core References
Issue Tracking x_refsource_misc
https://bugzilla.kernel.org/show_bug.cgi?id=200171
Mailing List mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
Mailing List mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Jan/52
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html
Exploit, Third Party Advisory x_refsource_misc
http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3932-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3932-2/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4094-1/
Vendor Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4118-1/
Scores
CVSS v3
5.5
EPSS
0.0022
EPSS Percentile
44.0%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-125
CWE-369
Status
published
Products (1)
linux/linux_kernel
< 4.17.3
Published
Jul 03, 2018
Tracked Since
Feb 18, 2026