Input validation error in Linux kernel - CVE-2007-6716

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Main Vulnerability Database Vulnerabilities #VU93703

Input validation error in Linux kernel - CVE-2007-6716

Published: September 4, 2008 / Updated: August 14, 2020


Vulnerability identifier: #VU93703
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-2007-6716
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 vulnerability exists due to improper input validation within the direct_io_worker() and __blockdev_direct_IO() functions in fs/direct-io.c. A local user can perform a denial of service (DoS) attack.


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-2007-6716

Install update from vendor's website.

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