#VU102942 Improper locking in Linux kernel - CVE-2024-54460

Vulnerability identifier: #VU102942

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-2024-54460

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 iso_listen_bis() and iso_sock_listen() functions in net/bluetooth/iso.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.12, 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5

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External links
https://git.kernel.org/stable/c/168e28305b871d8ec604a8f51f35467b8d7ba05b
https://git.kernel.org/stable/c/c541d7b5e17987ed330798b07d4ad508859c1c93
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.6

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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.