PT-2018-2581 · Linux+5 · Linux Kernel+5

Wen Xu · Published 2018-06-13 · Updated 2023-10-05 · CVE-2018-10878

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to the ext4 init block bitmap() function in the Linux kernel's ext4 filesystem, which is vulnerable to an out-of-bounds write. This can be exploited by a local user who mounts and operates a specially crafted ext4 filesystem image, potentially leading to a denial of service or other unspecified impacts.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALT-PU-2018-2003

ALT-PU-2018-2032

ALT-PU-2019-1433

BDU:2019-01056

CESA-2018_3083

CVE-2018-10878

DLA-1423-1

DLA-1529-1

OPENSUSE-SU-2018_2404-1

OPENSUSE-SU-2018_2407-1

RHSA-2018:2948

RHSA-2018:3083

RHSA-2018:3096

RHSA-2018_3083

RHSA-2018_3096

SUSE-SU-2018:2380-1

SUSE-SU-2018:2381-1

SUSE-SU-2018:2450-1

SUSE-SU-2018:2596-1

SUSE-SU-2018:2775-1

SUSE-SU-2018:2776-1

SUSE-SU-2018:2858-1

SUSE-SU-2018:2908-1

SUSE-SU-2018:2908-2

SUSE-SU-2018:3083-1

SUSE-SU-2018:3084-1

USN-3753-1

USN-3753-2

USN-3871-1

USN-3871-2

USN-3871-3

USN-3871-4

USN-3871-5

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 396

• 🔥 https://bugzilla.kernel.org/show_bug.cgi?id=199865 · Exploit
• http://patchwork.ozlabs.org/patch/929237 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2018:2775-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10882 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-13406 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=77260807d1170a8cf35dbb06e07461a655f67eee · Vendor Advisory
• https://usn.ubuntu.com/3753-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3871-2 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01056 · Security Note
• https://ubuntu.com/security/notices/USN-3871-4 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2018:3096 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1423-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10877 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3871-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3753-2 · Vendor Advisory