SB2004120604 - Missing release of memory after effective lifetime in Linux kernel
Published: December 6, 2004
Security Bulletin ID
SB2004120604
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing release of memory after effective lifetime (CVE-ID: CVE-2004-0565)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
Floating point information leak in the context switch code for Linux 2.4.x only checks the MFH bit but does not verify the FPH owner, which allows local users to read register values of other processes by setting the MFH bit.
Remediation
Install update from vendor's website.
References
- http://archives.neohapsis.com/archives/linux/owl/2004-q2/0038.html
- http://secunia.com/advisories/20162
- http://secunia.com/advisories/20163
- http://secunia.com/advisories/20202
- http://secunia.com/advisories/20338
- http://www.debian.org/security/2006/dsa-1067
- http://www.debian.org/security/2006/dsa-1069
- http://www.debian.org/security/2006/dsa-1070
- http://www.debian.org/security/2006/dsa-1082
- http://www.mandriva.com/security/advisories?name=MDKSA-2004:066
- http://www.redhat.com/support/errata/RHSA-2004-504.html
- http://www.securityfocus.com/bid/10687
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=124734
- https://exchange.xforce.ibmcloud.com/vulnerabilities/16644
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10714