#VU102164 Improper locking in Linux kernel - CVE-2024-56610

Vulnerability identifier: #VU102164

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-2024-56610

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 DEFINE_SPINLOCK(), kcsan_skip_report_debugfs(), set_report_filterlist_whitelist(), insert_report_filterlist() and show_info() functions in kernel/kcsan/debugfs.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/0ab4951c1473c7d1ceaf1232eb927109cd1c4859
https://git.kernel.org/stable/c/59458fa4ddb47e7891c61b4a928d13d5f5b00aa0
https://git.kernel.org/stable/c/889a0d3a35fdedba1c5dcb6410c95c32421680ec
https://git.kernel.org/stable/c/dca4e74a918586913d251c0b359e8cc96a3883ea
https://git.kernel.org/stable/c/ea6588abcc15d68fdeae777ffe3dd74c02eab407
https://git.kernel.org/stable/c/f4f2ef66d288ea796ddb8ecbdc2df074ab2d5f4d

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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.