#VU101815 Input validation error in Linux kernel - CVE-2024-53144

Vulnerability identifier: #VU101815

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-2024-53144

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_user_confirm_request_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/5291ff856d2c5177b4fe9c18828312be30213193
https://git.kernel.org/stable/c/830c03e58beb70b99349760f822e505ecb4eeb7e
https://git.kernel.org/stable/c/ad7adfb95f64a761e4784381e47bee1a362eb30d
https://git.kernel.org/stable/c/b25e11f978b63cb7857890edb3a698599cddb10e
https://git.kernel.org/stable/c/d17c631ba04e960eb6f8728b10d585de20ac4f71

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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.