#VU94772 Resource exhaustion in Linux kernel - CVE-2007-3719

Vulnerability identifier: #VU94772

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2007-3719

CWE-ID: CWE-400

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 service disruption.

The process scheduler in the Linux kernel 2.6.16 gives preference to 'interactive' processes that perform voluntary sleeps, which allows local users to cause a denial of service (CPU consumption), as described in 'Secretly Monopolizing the CPU Without Superuser Privileges.'

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://osvdb.org/37127
https://www.cs.huji.ac.il/~dants/papers/Cheat07Security.pdf

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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.