PT-2019-3982 · Linux+2 · Linux Kernel+2

Published 2019-09-27 · Updated 2023-02-03 · CVE-2019-18810

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.3.8

Description The issue is related to a memory leak in the komeda wb connector add() function, which can cause a denial of service due to memory consumption. This can be triggered by failures in drm writeback connector init().

Recommendations For Linux kernel versions prior to 5.3.8, update to version 5.3.8 or later to resolve the issue. As a temporary workaround, consider restricting the use of the komeda wb connector add() function until a patch is available.

Fix

DoS

Memory Leak

Resource Exhaustion

Weakness Enumeration

CWE-401

CWE-400

Related Identifiers

ALT-PU-2019-3059

ALT-PU-2019-3061

ALT-PU-2019-3066

ALT-PU-2020-1421

ALT-PU-2020-1450

BDU:2019-04513

CVE-2019-18810

USN-4208-1

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 30

• https://cve.org/CVERecord?id=CVE-2019-18810 · Security Note
• https://ubuntu.com/security/CVE-2019-17075 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19067 · Vendor Advisory
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a0ecd6fdbf5d648123a7315c695fb6850d702835 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-18810 · Security Note
• https://ubuntu.com/security/CVE-2019-18810 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4208-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-18810 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2019-18810 · Vendor Advisory
• https://usn.ubuntu.com/4208-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19065 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19048 · Vendor Advisory
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.8 · Vendor Advisory
• https://ubuntu.com/security/CVE-2019-19075 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2019-18810 · Vendor Advisory