#VU102356 Use-after-free in Linux kernel - CVE-2024-53216

Vulnerability identifier: #VU102356

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-2024-53216

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 in fs/nfsd/export.c. A local user can execute arbitrary code with elevated privileges.

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/2e4854599200f4d021df8ae17e69221d7c149f3e
https://git.kernel.org/stable/c/ad4363a24a5746b257c0beb5d8cc68f9b62c173f
https://git.kernel.org/stable/c/bd8524148dd8c123334b066faa90590ba2ef8e6f
https://git.kernel.org/stable/c/f8c989a0c89a75d30f899a7cabdc14d72522bb8d

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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.