PT-2018-2584 · Linux+3 · Linux Kernel+3

Wen Xu · Published 2018-06-17 · Updated 2023-02-12 · CVE-2018-10882

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description The issue is related to a flaw in the Linux kernel's ext4 filesystem, specifically in the transaction.c file, which can cause an out-of-bounds write. This can lead to a denial of service and a system crash. A local user can exploit this by unmounting a specially crafted ext4 filesystem image, potentially allowing an attacker to cause a system crash or elevate their privileges.

Recommendations For the Linux kernel, consider restricting access to unmounting ext4 filesystem images until a patch is available. As a temporary workaround, avoid using specially crafted ext4 filesystem images to minimize the risk of exploitation. 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-2018-2001

ALT-PU-2018-2002

ALT-PU-2018-2003

BDU:2019-01059

CVE-2018-10882

DLA-1423-1

DLA-1529-1

MGASA-2018-0324

MGASA-2018-0340

MGASA-2018-0341

OPENSUSE-SU-2018_2404-1

OPENSUSE-SU-2018_2407-1

RHSA-2018:2948

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

Linux Kernel

Suse

Ubuntu

References · 421

• 🔥 https://bugzilla.kernel.org/show_bug.cgi?id=200069 · Exploit
• https://osv.dev/vulnerability/SUSE-SU-2018:2775-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0324 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10882 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-13406 · Vendor Advisory
• https://usn.ubuntu.com/3753-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0340 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3871-2 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0341 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-10882 · Security Note
• https://ubuntu.com/security/notices/USN-3871-4 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-10882 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1423-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10877 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-10882 · Security Note