Missing release of memory after effective lifetime in Linux kernel - CVE-2007-2525

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Main Vulnerability Database Vulnerabilities #VU94775

Missing release of memory after effective lifetime in Linux kernel - CVE-2007-2525

Published: May 9, 2007 / Updated: October 11, 2017


Vulnerability identifier: #VU94775
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-2007-2525
CWE-ID: CWE-401
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.

Memory leak in the PPP over Ethernet (PPPoE) socket implementation in the Linux kernel before 2.6.21-git8 allows local users to cause a denial of service (memory consumption) by creating a socket using connect, and releasing it before the PPPIOCGCHAN ioctl is initialized.


Affected software

Linux kernel
Ubuntu
linux-source-2.6.20 (Ubuntu package)

How to mitigate CVE-2007-2525

Install update from vendor's repository.

linux-source-2.6.20 (Ubuntu package) - update to 2.6.20-16.31

External References

Related Security Bulletins