#VU92010 Improper locking in Linux kernel - CVE-2024-36919

Vulnerability identifier: #VU92010

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-2024-36919

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 bnx2fc_free_session_resc() function in drivers/scsi/bnx2fc/bnx2fc_tgt.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/468f3e3c15076338367b0945b041105b67cf31e3
https://git.kernel.org/stable/c/acd370c1fb86b7302c1cbb354a7c1cd9953768eb
https://git.kernel.org/stable/c/ad498539dda0816aadef384ec117bfea304c75c3
https://git.kernel.org/stable/c/93aa5ccc44781bdfef1bf0bc4c2c292d45251312
https://git.kernel.org/stable/c/1150606d47d711d5bfdf329a1a96ed7027085936
https://git.kernel.org/stable/c/c885ab23206b1f1ba0731ffe7c9455c6a91db256
https://git.kernel.org/stable/c/ea50941cd8c9f0b12f38b73d3b1bfeca660dd342
https://git.kernel.org/stable/c/c214ed2a4dda35b308b0b28eed804d7ae66401f9

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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.