#VU102032 Use-after-free in Linux kernel - CVE-2024-56653

Vulnerability identifier: #VU102032

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-56653

CWE-ID: CWE-416

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 escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the btmtk_process_coredump() function in drivers/bluetooth/btmtk.c. A local user can escalate privileges on the system.

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/b548f5e9456c568155499d9ebac675c0d7a296e8
https://git.kernel.org/stable/c/d20ff1d3cb40479789368f502eedb0a00e4161fc
https://git.kernel.org/stable/c/ecdcaea0e4057171ea4c3783e1cc1c900ad99125

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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.