CVE-2018-10876 Information

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.

CVSS Vector

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

Reference

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/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5