SB2006051202 - Improper locking in Linux kernel
Published: May 12, 2006
Security Bulletin ID
SB2006051202
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper locking (CVE-ID: CVE-2006-1860)
CWE-ID: CWE-667 - Improper Locking
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform service disruption.
lease_init in fs/locks.c in Linux kernel before 2.6.16.16 allows attackers to cause a denial of service (fcntl_setlease lockup) via actions that cause lease_init to free a lock that might not have been allocated on the stack.
Remediation
Install update from vendor's website.
References
- http://secunia.com/advisories/20083
- http://secunia.com/advisories/20716
- http://secunia.com/advisories/21045
- http://secunia.com/advisories/21179
- http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git;a=blobdiff;h=aa7f66091823dde953e15895dc427615701c39c7;hp=e75ac392a313f3fad823bf2e46a03f29701e3e34;hb=1f0e637c94a9b041833947c79110d6c02fff8618;f=fs/locks.c
- http://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git;a=commit;h=1f0e637c94a9b041833947c79110d6c02fff8618
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.16
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123
- http://www.novell.com/linux/security/advisories/2006_42_kernel.html
- http://www.osvdb.org/25425
- http://www.securityfocus.com/bid/17943
- http://www.trustix.org/errata/2006/0028
- http://www.ubuntu.com/usn/usn-302-1
- http://www.vupen.com/english/advisories/2006/1767
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26437