#VU92989 Resource management error in Linux kernel - CVE-2024-26798

Vulnerability identifier: #VU92989

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-2024-26798

CWE-ID: CWE-399

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 resource management error within the fbcon_do_set_font() function in drivers/video/fbdev/core/fbcon.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/20a4b5214f7bee13c897477168c77bbf79683c3d
https://git.kernel.org/stable/c/2f91a96b892fab2f2543b4a55740c5bee36b1a6b
https://git.kernel.org/stable/c/73a6bd68a1342f3a44cac9dffad81ad6a003e520
https://git.kernel.org/stable/c/a2c881413dcc5d801bdc9535e51270cc88cb9cd8
https://git.kernel.org/stable/c/00d6a284fcf3fad1b7e1b5bc3cd87cbfb60ce03f

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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.