Buffer overflow in Linux kernel mailbox driver

1) Buffer overflow

EUVDB-ID: #VU102259

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-2024-56684

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the cmdq_get_clocks() function in drivers/mailbox/mtk-cmdq-mailbox.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

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/271ee263cc8771982809185007181ca10346fe73
https://git.kernel.org/stable/c/31986fad0cfdda8d8893230da04f5eb0774854d9
https://git.kernel.org/stable/c/a9c7cb960fc6e056ebecebd136a127612b15630d

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.