#VU102922 NULL pointer dereference in Linux kernel - CVE-2024-45828

Vulnerability identifier: #VU102922

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-2024-45828

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 hci_dma_cleanup() function in drivers/i3c/master/mipi-i3c-hci/dma.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/19cc5767334bfe980f52421627d0826c0da86721
https://git.kernel.org/stable/c/6ca2738174e4ee44edb2ab2d86ce74f015a0cc32
https://git.kernel.org/stable/c/9d745a56aea45e47f4755bc12e6429d6314dbb54
https://git.kernel.org/stable/c/a6cddf68b3405b272b5a3cad9657be0b02b34bf4
https://git.kernel.org/stable/c/a6dc4b4fda2e147e557050eaae51ff15edeb680b

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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.