#VU100708 Use-after-free in Linux kernel - CVE-2024-53068

Vulnerability identifier: #VU100708

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-2024-53068

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 EXPORT_SYMBOL_GPL(), __scmi_device_destroy() and __scmi_device_create() functions in drivers/firmware/arm_scmi/bus.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/15b17bbcea07d49c43d21aa700485cbd9f9d00d8
https://git.kernel.org/stable/c/1e1f523b185a8ccdcba625b31ff0312d052900e2
https://git.kernel.org/stable/c/295416091e44806760ccf753aeafdafc0ae268f3

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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.