#VU102148 NULL pointer dereference in Linux kernel - CVE-2024-56536

Vulnerability identifier: #VU102148

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-2024-56536

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 cw1200_spi_suspend() function in drivers/net/wireless/st/cw1200/cw1200_spi.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/0ec90ac5f7bd9dd573bd5d964cbdc3beaa93a33e
https://git.kernel.org/stable/c/2b94751626a6d49bbe42a19cc1503bd391016bd5
https://git.kernel.org/stable/c/67c914f2d64b28409796a6b9036c131e93f8af6c

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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.