#VU102400 Double free in Linux kernel - CVE-2024-56766

Vulnerability identifier: #VU102400

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-2024-56766

CWE-ID: CWE-415

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 a double free error within the atmel_pmecc_create_user() function in drivers/mtd/nand/raw/atmel/pmecc.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/6ea15205d7e2b811fbbdf79783f686f58abfb4b7
https://git.kernel.org/stable/c/d2f090ea57f8d6587e09d4066f740a8617767b3d
https://git.kernel.org/stable/c/d8e4771f99c0400a1873235704b28bb803c83d17
https://git.kernel.org/stable/c/dd45c87782738715d5e7c167f8dabf0814a7394a

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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.