#VU90776 Improper locking in Linux kernel - CVE-2024-26934

Vulnerability identifier: #VU90776

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-26934

CWE-ID: CWE-667

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to improper locking within the interface_authorized_store() function in drivers/usb/core/sysfs.c. A local user can execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

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External links
https://git.kernel.org/stable/c/8cbdd324b41528994027128207fae8100dff094f
https://git.kernel.org/stable/c/12d6a5681a0a5cecc2af7860f0a1613fa7c6e947
https://git.kernel.org/stable/c/e451709573f8be904a8a72d0775bf114d7c291d9
https://git.kernel.org/stable/c/1b175bc579f46520b11ecda443bcd2ee4904f66a
https://git.kernel.org/stable/c/ab062fa3dc69aea88fe62162c5881ba14b50ecc5
https://git.kernel.org/stable/c/122a06f1068bf5e39089863f4f60b1f5d4273384
https://git.kernel.org/stable/c/dbdf66250d2d33e8b27352fcb901de79f3521057
https://git.kernel.org/stable/c/07acf979da33c721357ff27129edf74c23c036c6
https://git.kernel.org/stable/c/80ba43e9f799cbdd83842fc27db667289b3150f5

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.