#VU90024 Memory leak in Linux kernel - CVE-2023-52560

Vulnerability identifier: #VU90024

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-2023-52560

CWE-ID: CWE-401

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 memory leak within the damon_do_test_apply_three_regions() function in mm/damon/vaddr-test.h. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.1 - 6.1.55, 6.5 - 6.5.5, 6.6 rc1 - 6.6 rc6

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External links
https://git.kernel.org/stable/c/9a4fe81a8644b717d57d81ce5849e16583b13fe8
https://git.kernel.org/stable/c/6b522001693aa113d97a985abc5f6932972e8e86
https://git.kernel.org/stable/c/45120b15743fa7c0aa53d5db6dfb4c8f87be4abd
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.56
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?