CVE-2024-50084

5.5 · MEDIUM

Published Oct 29, 2024 linux CWE-401 EPSS 0.21% (11th pctl) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-50084 is a medium-severity vulnerability affecting linux linux_kernel. It was published on October 29, 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:

net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test()

Commit a3c1e45156ad ("net: microchip: vcap: Fix use-after-free error in

kunit test") fixed the use-after-free error, but introduced below

memory leaks by removing necessary vcap_free_rule(), add it to fix it.

unreferenced object 0xffffff80ca58b700 (size 192):

comm "kunit_try_catch", pid 1215, jiffies 4294898264

hex dump (first 32 bytes):

00 12 7a 00 05 00 00 00 0a 00 00 00 64 00 00 00 ..z.........d...

00 00 00 00 00 00 00 00 00 04 0b cc 80 ff ff ff ................

backtrace (crc 9c09c3fe):

[<0000000052a0be73>] kmemleak_alloc+0x34/0x40

[<0000000043605459>] __kmalloc_cache_noprof+0x26c/0x2f4

[<0000000040a01b8d>] vcap_alloc_rule+0x3cc/0x9c4

[<000000003fe86110>] vcap_api_encode_rule_test+0x1ac/0x16b0

[<00000000b3595fc4>] kunit_try_run_case+0x13c/0x3ac

[<0000000010f5d2bf>] kunit_generic_run_threa

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	>= 6.6.51, < 6.6.58	Affected

References

Ref git.kernel.org/stable/c/170792097bb21e5da77443b6a03d35489813eabe Ref git.kernel.org/stable/c/20b5342de51bda794791e013b90754774003a515 Ref git.kernel.org/stable/c/217a3d98d1e9891a8b1438a27dfbc64ddf01f691

Frequently Asked Questions

What is CVE-2024-50084?

CVE-2024-50084 is a medium-severity vulnerability affecting linux linux_kernel. It was published on October 29, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-50084?

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-2024-50084?

How can CyberStrike help with CVE-2024-50084?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-50084 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.

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HackBrowser

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