Resource management errors in Linux kernel - CVE-2009-0031

 

Resource management errors in Linux kernel - CVE-2009-0031

Published: January 21, 2009 / Updated: February 13, 2023


Vulnerability identifier: #VU95200
CSH Severity: Low
CVSS v4.0: 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-2009-0031
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

Memory leak in the keyctl_join_session_keyring function (security/keys/keyctl.c) in Linux kernel 2.6.29-rc2 and earlier allows local users to cause a denial of service (kernel memory consumption) via unknown vectors related to a 'missing kfree.'


How to mitigate CVE-2009-0031

Install update from vendor's repository.

Sources