CVE-2024-43889

5.5 · MEDIUM

Published Aug 26, 2024 linux CWE-369 EPSS 0.24% (14th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-43889 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 26, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

padata: Fix possible divide-by-0 panic in padata_mt_helper()

We are hit with a not easily reproducible divide-by-0 panic in padata.c at

bootup time.

[ 10.017908] Oops: divide error: 0000 1 PREEMPT SMP NOPTI

[ 10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 Not tainted 6.10.0-15.el10.x86_64 #1

[ 10.017908] Hardware name: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 07/20/2021

[ 10.017908] Workqueue: events_unbound padata_mt_helper

[ 10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0

[ 10.017963] Call Trace:

[ 10.017968] <TASK>

[ 10.018004] ? padata_mt_helper+0x39/0xb0

[ 10.018084] process_one_work+0x174/0x330

[ 10.018093] worker_thread+0x266/0x3a0

[ 10.018111] kthread+0xcf/0x100

[ 10.018124] ret_from_fork+0x31/0x50

[ 10.018138] ret_from_fork_asm+0x1a/0x30

[ 10.018147] </TASK>

Looking at the padata_mt_helper() function, t

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor	Product	Versions	Status
linux	linux_kernel	>= 5.8, < 5.10.224	Affected

References

Ref git.kernel.org/stable/c/6d45e1c948a8b7ed6ceddb14319af69424db730c Ref git.kernel.org/stable/c/8f5ffd2af7274853ff91d6cd62541191d9fbd10d Ref git.kernel.org/stable/c/924f788c906dccaca30acab86c7124371e1d6f2c Ref git.kernel.org/stable/c/a29cfcb848c31f22b4de6a531c3e1d68c9bfe09f Ref git.kernel.org/stable/c/ab8b397d5997d8c37610252528edc54bebf9f6d3 Ref git.kernel.org/stable/c/da0ffe84fcc1627a7dff82c80b823b94236af905 Ref lists.debian.org/debian-lts-announce/2024/10/msg00003.html Ref lists.debian.org/debian-lts-announce/2025/01/msg00001.html Ref cert-portal.siemens.com/productcert/html/ssa-265688.html Ref cert-portal.siemens.com/productcert/html/ssa-355557.html

Frequently Asked Questions

What is CVE-2024-43889?

CVE-2024-43889 is a medium-severity vulnerability affecting linux linux_kernel. It was published on August 26, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-43889?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-43889?

How can CyberStrike help with CVE-2024-43889?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-43889 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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