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CVE-2024-50058

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: serial: protect uart_port_dtr_rts() in uart_shutdown() too Commit af224ca2df29 (serial: core: Prevent unsafe uart port access,…

Published Oct 21, 2024CWE-476EPSS 0.24%

Overview

CVE-2024-50058 is a medium-severity vulnerability. It was published on October 21, 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:

serial: protect uart_port_dtr_rts() in uart_shutdown() too

Commit af224ca2df29 (serial: core: Prevent unsafe uart port access, part

3) added few uport == NULL checks. It added one to uart_shutdown(), so

the commit assumes, uport can be NULL in there. But right after that

protection, there is an unprotected "uart_port_dtr_rts(uport, false);"

call. That is invoked only if HUPCL is set, so I assume that is the

reason why we do not see lots of these reports.

Or it cannot be NULL at this point at all for some reason :P.

Until the above is investigated, stay on the safe side and move this

dereference to the if too.

I got this inconsistency from Coverity under CID 1585130. Thanks.

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/2fe399bb8efd0d325ab1138cf8e3ecf23a39e96dRefgit.kernel.org/stable/c/399927f0f875b93f3d5a0336d382ba48b8671eb2Refgit.kernel.org/stable/c/602babaa84d627923713acaf5f7e9a4369e77473Refgit.kernel.org/stable/c/76ed24a34223bb2c6b6162e1d8389ec4e602a290Refgit.kernel.org/stable/c/d7b5876a6e74cdf8468a478be6b23f2f5464ac7aRefgit.kernel.org/stable/c/e418d91195d29d5f9c9685ff309b92b04b41dc40Reflists.debian.org/debian-lts-announce/2025/01/msg00001.htmlReflists.debian.org/debian-lts-announce/2025/03/msg00002.htmlRefcert-portal.siemens.com/productcert/html/ssa-265688.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-50058?

CVE-2024-50058 is a medium-severity vulnerability. It was published on October 21, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-50058?

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-2024-50058?

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-2024-50058?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-50058 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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