Vulnerability CVE-2018-13100
Published: 2018-07-03

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.

Type:

CWE-369

 (Divide By Zero)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Linux -> Linux kernel 
Debian -> Debian linux 

 References:
http://www.securityfocus.com/bid/104679
https://bugzilla.kernel.org/show_bug.cgi?id=200183
https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=977f9bb558cb4a95d53b10301f5c739ed8867d4d
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://usn.ubuntu.com/3932-1/
https://usn.ubuntu.com/3932-2/
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