#VU101106 NULL pointer dereference in Linux kernel - CVE-2024-53103

Vulnerability identifier: #VU101106

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-2024-53103

CWE-ID: CWE-476

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 NULL pointer dereference within the hvs_destruct() function in net/vmw_vsock/hyperv_transport.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/285266ef92f7b4bf7d26e1e95e215ce6a6badb4a
https://git.kernel.org/stable/c/414476c4fb11be070c09ab8f3e75c9ee324a108a
https://git.kernel.org/stable/c/4bdc5a62c6e50600d8a1c3e18fd6dce0c27c9497
https://git.kernel.org/stable/c/4fe1d42f2acc463b733bb42e3f8e67dbc2a0eb2d
https://git.kernel.org/stable/c/7cf25987820350cb950856c71b409e5b6eed52bd
https://git.kernel.org/stable/c/8621725afb38e111969c64280b71480afde2aace
https://git.kernel.org/stable/c/98d8dde9232250a57ad5ef16479bf6a349e09b80
https://git.kernel.org/stable/c/e0fe3392371293175f25028020ded5267f4cd8e3
https://git.kernel.org/stable/c/e629295bd60abf4da1db85b82819ca6a4f6c1e79

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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.