PT-2018-11597 · Linux+5 · Linux Kernel+5

Wen Xu · Published 2018-07-03 · Updated 2020-03-02 · CVE-2018-13094

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 4.17.4

Description An issue was discovered in the Linux kernel that may cause an OOPS for a corrupted xfs image after the function xfs da shrink inode() is called with a NULL bp.

Recommendations For Linux kernel versions prior to 4.17.4, update to version 4.17.4 or later to resolve the issue.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2018-1971

ALT-PU-2018-1976

ALT-PU-2019-1433

CESA-2019_2029

CVE-2018-13094

DLA-1529-1

DLA-2114-1

OPENSUSE-SU-2018_2738-1

OPENSUSE-SU-2018_3071-1

RHSA-2019:0831

RHSA-2019:2029

RHSA-2019:2043

RHSA-2019_2029

RHSA-2019_2043

SUSE-SU-2018:2775-1

SUSE-SU-2018:2776-1

SUSE-SU-2018:2858-1

SUSE-SU-2018:2862-1

SUSE-SU-2018:2980-1

SUSE-SU-2018:2981-1

SUSE-SU-2018:3084-1

USN-3752-1

USN-3752-2

USN-3752-3

USN-3753-1

USN-3753-2

USN-3754-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

Ubuntu

References · 395

• 🔥 https://bugzilla.kernel.org/show_bug.cgi?id=199969 · Exploit
• https://github.com/torvalds/linux/commit/bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a · Patch
• https://ubuntu.com/security/CVE-2018-13094 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16536 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3754-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-12904 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16537 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16535 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3752-2 · Vendor Advisory
• https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=bb3d48dcf86a97dc25fe9fc2c11938e19cb4399a · Patch
• https://ubuntu.com/security/CVE-2017-16643 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:2862-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2018:2775-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-13405 · Vendor Advisory
• https://usn.ubuntu.com/3753-2 · Vendor Advisory