Improper input validation in Linux kernel - CVE-2008-2372

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Main Vulnerability Database Vulnerabilities #VU95738

Improper input validation in Linux kernel - CVE-2008-2372

Published: July 2, 2008 / Updated: February 13, 2023


Vulnerability identifier: #VU95738
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2008-2372
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The Linux kernel 2.6.24 and 2.6.25 before 2.6.25.9 allows local users to cause a denial of service (memory consumption) via a large number of calls to the get_user_pages function, which lacks a ZERO_PAGE optimization and results in allocation of 'useless newly zeroed pages.'


Affected software

Linux kernel
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux-source-2.6.22 (Ubuntu package)
linux (Ubuntu package)

How to mitigate CVE-2008-2372

Install update from vendor's repository.

linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-52.73
linux-source-2.6.22 (Ubuntu package) - update to 2.6.22-15.59
linux (Ubuntu package) - update to 2.6.24-21.43

External References

Related Security Bulletins