#VU95096 Input validation error in Linux kernel - CVE-2024-42133

Vulnerability identifier: #VU95096

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-2024-42133

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 hci_le_big_sync_established_evt() function in net/bluetooth/hci_event.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/38263088b845abeeeb98dda5b87c0de3063b6dbb
https://git.kernel.org/stable/c/dad0003ccc68457baf005a6ed75b4d321463fe3d
https://git.kernel.org/stable/c/015d79c96d62cd8a4a359fcf5be40d58088c936b

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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.