Out-of-bounds read in Linux kernel clk bcm driver

1) Out-of-bounds read

EUVDB-ID: #VU93323

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-2024-39461

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

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

The vulnerability exists due to an out-of-bounds read error within the raspberrypi_discover_clocks() function in drivers/clk/bcm/clk-raspberrypi.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/9562dbe5cdbb16ac887d27ef6f179980bb99193c
https://git.kernel.org/stable/c/cdf9c7871d58d3df59d2775982e3533adb8ec920
https://git.kernel.org/stable/c/6dc445c1905096b2ed4db1a84570375b4e00cc0f

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.