CVE-2018-10876

medium

Description

A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.

References

http://patchwork.ozlabs.org/patch/929239/

http://www.securityfocus.com/bid/104904

http://www.securityfocus.com/bid/106503

https://access.redhat.com/errata/RHSA-2019:0525

https://bugzilla.kernel.org/show_bug.cgi?id=199403

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10876

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8844618d8aa7a9973e7b527d038a2a589665002c

https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html

https://usn.ubuntu.com/3753-1/

https://usn.ubuntu.com/3753-2/

https://usn.ubuntu.com/3871-1/

https://usn.ubuntu.com/3871-3/

https://usn.ubuntu.com/3871-4/

https://usn.ubuntu.com/3871-5/

Details

Source: MITRE

Published: 2018-07-26

Updated: 2019-04-01

Type: CWE-416

Risk Information

CVSS v2

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM