Vulnerability identifier: #VU93257

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52654

CWE-ID: CWE-399

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 resource management error within the scm_fp_copy() function in net/core/scm.c, within the io_finish_async() and io_sqe_files_register() functions in fs/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:

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External links
http://git.kernel.org/stable/c/18824f592aad4124d79751bbc1500ea86ac3ff29
http://git.kernel.org/stable/c/3fe1ea5f921bf5b71cbfdc4469fb96c05936610e
http://git.kernel.org/stable/c/bcedd497b3b4a0be56f3adf7c7542720eced0792
http://git.kernel.org/stable/c/f2f57f51b53be153a522300454ddb3887722fb2c
http://git.kernel.org/stable/c/5a33d385eb36991a91e3dddb189d8679e2aac2be
http://git.kernel.org/stable/c/705318a99a138c29a512a72c3e0043b3cd7f55f4

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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.