#VU99823 Improper locking in Linux kernel - CVE-2024-50098

Vulnerability identifier: #VU99823

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-50098

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 perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the ufshcd_wl_shutdown() function in drivers/ufs/core/ufshcd.c. A local user can perform a denial of service (DoS) attack.

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/7de759fceacff5660abf9590d11114215a9d5f3c
https://git.kernel.org/stable/c/7bd9af254275fad7071d85f04616560deb598d7d
https://git.kernel.org/stable/c/7774d23622416dbbbdb21bf342b3f0d92cf1dc0f
https://git.kernel.org/stable/c/19a198b67767d952c8f3d0cf24eb3100522a8223

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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.