#VU94133 Input validation error in Linux kernel - CVE-2024-26959

Vulnerability identifier: #VU94133

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-2024-26959

CWE-ID: CWE-20

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 input validation within the btnxpuart_close() function in drivers/bluetooth/btnxpuart.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/d4e2365b07f1ae1f811a915b514caef5b2d6581e
https://git.kernel.org/stable/c/586e099c93fe26b7bd40593979532f507ed9f6a4
https://git.kernel.org/stable/c/74bcf708775c405f7fb6ed776ccd3e1957f38a52
https://git.kernel.org/stable/c/664130c0b0309b360bc5bdd40a30604a9387bde8

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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.