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CVE-2024-35989

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix oops during rmmod on single-CPU platforms During the removal of the idxd driver, registered offline callba…

Published May 20, 2024EPSS 0.21%

Overview

CVE-2024-35989 is a medium-severity vulnerability. It was published on May 20, 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:

dmaengine: idxd: Fix oops during rmmod on single-CPU platforms

During the removal of the idxd driver, registered offline callback is

invoked as part of the clean up process. However, on systems with only

one CPU online, no valid target is available to migrate the

perf context, resulting in a kernel oops:

BUG: unable to handle page fault for address: 000000000002a2b8

#PF: supervisor write access in kernel mode

#PF: error_code(0x0002) - not-present page

PGD 1470e1067 P4D 0

Oops: 0002 [#1] PREEMPT SMP NOPTI

CPU: 0 PID: 20 Comm: cpuhp/0 Not tainted 6.8.0-rc6-dsa+ #57

Hardware name: Intel Corporation AvenueCity/AvenueCity, BIOS BHSDCRB1.86B.2492.D03.2307181620 07/18/2023

RIP: 0010:mutex_lock+0x2e/0x50

...

Call Trace:

<TASK>

__die+0x24/0x70

page_fault_oops+0x82/0x160

do_user_addr_fault+0x65/0x6b0

__pfx___rdmsr_safe_on_cpu+0x10/0x10

exc_page_fault+0x7d/0x170

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refgit.kernel.org/stable/c/023b6390a15a98f9c3aa5e7da78d485d5384a08eRefgit.kernel.org/stable/c/47533176fdcef17b114a6f688bc872901c1ec6bbRefgit.kernel.org/stable/c/9edd3aa34d50f27b97be30b2ba4a6af0945ff56bRefgit.kernel.org/stable/c/f221033f5c24659dc6ad7e5cf18fb1b075f4a8beRefgit.kernel.org/stable/c/f976eca36cdf94e32fa4f865db0e7c427c9aa33cRefgit.kernel.org/stable/c/023b6390a15a98f9c3aa5e7da78d485d5384a08eRefgit.kernel.org/stable/c/47533176fdcef17b114a6f688bc872901c1ec6bbRefgit.kernel.org/stable/c/9edd3aa34d50f27b97be30b2ba4a6af0945ff56bRefgit.kernel.org/stable/c/f221033f5c24659dc6ad7e5cf18fb1b075f4a8beRefgit.kernel.org/stable/c/f976eca36cdf94e32fa4f865db0e7c427c9aa33c

How CyberStrike helps

Frequently asked questions

What is CVE-2024-35989?

CVE-2024-35989 is a medium-severity vulnerability. It was published on May 20, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-35989?

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-2024-35989?

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

How can CyberStrike help with CVE-2024-35989?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-35989 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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