An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.4. A denial of service (out-of-bounds memory access and BUG) can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr.
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html
http://www.securityfocus.com/bid/104680
https://bugzilla.kernel.org/show_bug.cgi?id=200179
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
https://seclists.org/bugtraq/2018/Oct/4
https://seclists.org/bugtraq/2019/Jan/52
https://sourceforge.net/p/linux-f2fs/mailman/message/36356878/
https://usn.ubuntu.com/3932-1/
https://usn.ubuntu.com/3932-2/
https://usn.ubuntu.com/4094-1/
Source: MITRE
Published: 2018-07-03
Updated: 2021-01-05
Type: CWE-125
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM