#VU102030 Use-after-free in Linux kernel - CVE-2024-56651

Vulnerability identifier: #VU102030

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-2024-56651

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 hi3110_can_ist() function in drivers/net/can/spi/hi311x.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/1128022009444faf49359bd406cd665b177cb643
https://git.kernel.org/stable/c/4ad77eb8f2e07bcfa0e28887d3c7dbb732d92cc1
https://git.kernel.org/stable/c/9ad86d377ef4a19c75a9c639964879a5b25a433b
https://git.kernel.org/stable/c/bc30b2fe8c54694f8ae08a5b8a5d174d16d93075

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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.