#VU90781 Improper locking in Linux kernel - CVE-2024-26873

Vulnerability identifier: #VU90781

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-2024-26873

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 hisi_sas_internal_abort_timeout() function in drivers/scsi/hisi_sas/hisi_sas_main.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/e022dd3b875315a2d2001a512e98d1dc8c991f4a
https://git.kernel.org/stable/c/85c98073ffcfe9e46abfb9c66f3364467119d563
https://git.kernel.org/stable/c/3c4f53b2c341ec6428b98cb51a89a09b025d0953

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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.