SB2005112301 - Resource management errors in Linux kernel
Published: November 23, 2005
Security Bulletin ID
SB2005112301
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource management errors (CVE-ID: CVE-2005-3784)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The auto-reap of child processes in Linux kernel 2.6 before 2.6.15 includes processes with ptrace attached, which leads to a dangling ptrace reference and allows local users to cause a denial of service (crash) and gain root privileges.
Remediation
Install update from vendor's website.
References
- http://secunia.com/advisories/17786
- http://secunia.com/advisories/17787
- http://secunia.com/advisories/17917
- http://secunia.com/advisories/17918
- http://secunia.com/advisories/18203
- http://secunia.com/advisories/18510
- http://secunia.com/advisories/19374
- http://www.debian.org/security/2006/dsa-1017
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7ed0175a462c4c30f6df6fac1cccac058f997739
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:018
- http://www.redhat.com/support/errata/RHSA-2006-0101.html
- http://www.securityfocus.com/advisories/9806
- http://www.securityfocus.com/archive/1/419522/100/0/threaded
- http://www.securityfocus.com/archive/1/427981/100/0/threaded
- http://www.securityfocus.com/archive/1/439623/100/100/threaded
- http://www.securityfocus.com/bid/15625
- http://www.trustix.org/errata/2005/0070
- http://www.vupen.com/english/advisories/2005/2649
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=174078
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9080
- https://usn.ubuntu.com/231-1/