CVE-2018-10883 Information

Description

A flaw was found in the Linux kernel’s ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata() a denial of service and a system crash by mounting and operating on a crafted ext4 filesystem image.

CVSS Vector

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

Reference

https://access.redhat.com/errata/RHSA-2018:2948 https://access.redhat.com/errata/RHSA-2018:3083 https://access.redhat.com/errata/RHSA-2018:3096 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10883 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8bc1379b82b8e809eef77a9fedbb75c6c297be19 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e09463f220ca9a1a1ecfda84fcda658f99a1f12a https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html https://support.f5.com/csp/article/K94735334?utm_source=f5support&utm_medium=RSS https://usn.ubuntu.com/3871-1/ https://usn.ubuntu.com/3871-3/ https://usn.ubuntu.com/3871-4/ https://usn.ubuntu.com/3871-5/ https://usn.ubuntu.com/3879-1/ https://usn.ubuntu.com/3879-2/

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