#VU93178 Resource management error in Linux kernel - CVE-2024-39292

Vulnerability identifier: #VU93178

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-2024-39292

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 register_winch_irq() function in arch/um/drivers/line.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/66ea9a7c6824821476914bed21a476cd20094f33
https://git.kernel.org/stable/c/dc1ff95602ee908fcd7d8acee7a0dadb61b1a0c0
https://git.kernel.org/stable/c/351d1a64544944b44732f6a64ed65573b00b9e14
https://git.kernel.org/stable/c/31960d991e43c8d6dc07245f19fc13398e90ead2
https://git.kernel.org/stable/c/0c02d425a2fbe52643a5859a779db0329e7dddd4
https://git.kernel.org/stable/c/434a06c38ee1217a8baa0dd7c37cc85d50138fb0
https://git.kernel.org/stable/c/73b8e21f76c7dda4905655d2e2c17dc5a73b87f1
https://git.kernel.org/stable/c/a0fbbd36c156b9f7b2276871d499c9943dfe5101

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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.