#VU92367 Improper locking in Linux kernel - CVE-2024-38580

Vulnerability identifier: #VU92367

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-2024-38580

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 __ep_eventpoll_poll() function in fs/eventpoll.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
http://git.kernel.org/stable/c/cbfd1088e24ec4c1199756a37cb8e4cd0a4b016e
http://git.kernel.org/stable/c/559214eb4e5c3d05e69428af2fae2691ba1eb784
http://git.kernel.org/stable/c/4f65f4defe4e23659275ce5153541cd4f76ce2d2
http://git.kernel.org/stable/c/16e3182f6322575eb7c12e728ad3c7986a189d5d
http://git.kernel.org/stable/c/4efaa5acf0a1d2b5947f98abb3acf8bfd966422b

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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.