#VU90526 NULL pointer dereference in Linux kernel - CVE-2024-27071

Vulnerability identifier: #VU90526

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-2024-27071

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 hx8357_probe() function in drivers/video/backlight/hx8357.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.8, 6.8 rc1, 6.8 rc2, 6.8 rc5, 6.8.1

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External links
https://git.kernel.org/stable/c/67e578c8ff2d7df03bf8ca9a7f5436b1796f6ad1
https://git.kernel.org/stable/c/b1ba8bcb2d1ffce11b308ce166c9cc28d989e3b9
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2

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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.