SB2008041201 - Integer overflow in Linux kernel
Published: April 12, 2008
Security Bulletin ID
SB2008041201
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) Integer overflow (CVE-ID: CVE-2007-6712)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when running on 64-bit systems, allows local users to cause a denial of service (infinite loop) via a timer with a large expiry value, which causes the timer to always be expired.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/chris/linux-2.6.git;a=commitdiff;h=13788ccc41ceea5893f9c747c59bc0b28f2416c2
- http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html
- http://secunia.com/advisories/30294
- http://secunia.com/advisories/30368
- http://secunia.com/advisories/30818
- http://secunia.com/advisories/31107
- http://secunia.com/advisories/31628
- http://www.debian.org/security/2008/dsa-1588
- http://www.redhat.com/support/errata/RHSA-2008-0275.html
- http://www.redhat.com/support/errata/RHSA-2008-0585.html
- http://www.securityfocus.com/bid/29294
- http://www.ubuntu.com/usn/usn-625-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/41827
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9210