CVE-2018-13099

MEDIUM

Description

An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.17.3. 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.

References

http://www.securityfocus.com/bid/104680

https://bugzilla.kernel.org/show_bug.cgi?id=200179

https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=cc60e90f9bfab8d6a7fb826937e824333c3bf94a

https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html

https://sourceforge.net/p/linux-f2fs/mailman/message/36356878/

https://www.debian.org/security/2018/dsa-4308

Details

Source: MITRE

Published: 2018-07-03

Updated: 2019-03-14

Type: CWE-125

Risk Information

CVSS v2.0

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

CVSS v3.0

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