#VU100720 Improper locking in Linux kernel - CVE-2024-53052

Vulnerability identifier: #VU100720

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-2024-53052

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 io_write_prep() and io_write() functions in io_uring/io_uring.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/485d9232112b17f389b29497ff41b97b3189546b
https://git.kernel.org/stable/c/4e24041ba86d50aaa4c792ae2c88ed01b3d96243
https://git.kernel.org/stable/c/9e8debb8e51354b201db494689198078ec2c1e75
https://git.kernel.org/stable/c/003d2996964c03dfd34860500428f4cdf1f5879e
https://git.kernel.org/stable/c/26b8c48f369b7591f5679e0b90612f4862a32929
https://git.kernel.org/stable/c/1d60d74e852647255bd8e76f5a22dc42531e4389

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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.