CVE-2018-13097

MEDIUM
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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

https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=f2fs-dev&id=78bbd741456e31e0acb983283a8d3993ba859c15

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

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

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

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

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

Details

Source: MITRE

Published: 2018-07-03

Updated: 2019-04-03

Type: CWE-125

Risk Information

CVSS v2

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

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

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 4.17.3 (inclusive)

Tenable Plugins

View all (8 total)

IDNameProductFamilySeverity
128478Ubuntu 16.04 LTS / 18.04 LTS : linux-aws vulnerabilities (USN-4118-1)NessusUbuntu Local Security Checks
critical
127889Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4094-1)NessusUbuntu Local Security Checks
high
124817EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1493)NessusHuawei Local Security Checks
high
123681Ubuntu 14.04 LTS : linux-lts-xenial, linux-aws vulnerabilities (USN-3932-2)NessusUbuntu Local Security Checks
medium
123680Ubuntu 16.04 LTS : linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities (USN-3932-1)NessusUbuntu Local Security Checks
medium
122879Debian DLA-1715-1 : linux-4.9 security update (Spectre)NessusDebian Local Security Checks
high
121505Slackware 14.2 : Slackware 14.2 kernel (SSA:2019-030-01)NessusSlackware Local Security Checks
high
118194openSUSE Security Update : the Linux Kernel (openSUSE-2018-1184)NessusSuSE Local Security Checks
high