Vulnerability identifier: #VU92946

Vulnerability risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26674

CWE-ID: CWE-388

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 improper error handling within the SYM_CODE_START_LOCAL() function in arch/x86/lib/putuser.S, within the SYM_CODE_END() function in arch/x86/lib/getuser.S. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/2aed1b6c33afd8599d01c6532bbecb829480a674
http://git.kernel.org/stable/c/2da241c5ed78d0978228a1150735539fe1a60eca
http://git.kernel.org/stable/c/8eed4e00a370b37b4e5985ed983dccedd555ea9d

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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.