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CVE-2024-42252

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: closures: Change BUG_ON() to WARN_ON() If a BUG_ON() can be hit in the wild, it shouldn't be a BUG_ON() For reference, this ha…

Published Aug 8, 2024CWE-617EPSS 0.21%

Overview

CVE-2024-42252 is a medium-severity vulnerability. It was published on August 8, 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:

closures: Change BUG_ON() to WARN_ON()

If a BUG_ON() can be hit in the wild, it shouldn't be a BUG_ON()

For reference, this has popped up once in the CI, and we'll need more

info to debug it:

03240 ------------[ cut here ]------------

03240 kernel BUG at lib/closure.c:21!

03240 kernel BUG at lib/closure.c:21!

03240 Internal error: Oops - BUG: 00000000f2000800 [#1] SMP

03240 Modules linked in:

03240 CPU: 15 PID: 40534 Comm: kworker/u80:1 Not tainted 6.10.0-rc4-ktest-ga56da69799bd #25570

03240 Hardware name: linux,dummy-virt (DT)

03240 Workqueue: btree_update btree_interior_update_work

03240 pstate: 00001005 (nzcv daif -PAN -UAO -TCO -DIT +SSBS BTYPE=--)

03240 pc : closure_put+0x224/0x2a0

03240 lr : closure_put+0x24/0x2a0

03240 sp : ffff0000d12071c0

03240 x29: ffff0000d12071c0 x28: dfff800000000000 x27: ffff0000d1207360

03240 x26: 0000000000000040 x25: 0000000000000040 x24: 0000000000000040

03240 x23: ffff0000c1f2018

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/339b84ab6b1d66900c27bd999271cb2ae40ce812Refgit.kernel.org/stable/c/5d85f2ab79d5918a66539ebf046c099f7448db8dRefgit.kernel.org/stable/c/c894a74756478bb7aec894bcc513add3d554c0cfRefgit.kernel.org/stable/c/ecb4aaa658da760fb83afd79cc5fd4360aa60635Reflists.debian.org/debian-lts-announce/2025/03/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-42252?

CVE-2024-42252 is a medium-severity vulnerability. It was published on August 8, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-42252?

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-2024-42252?

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-2024-42252?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-42252 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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