Integer overflow in Linux kernel - CVE-2007-6712
Published: April 12, 2008 / Updated: September 29, 2017
Vulnerability identifier: #VU95207
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-2007-6712
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2007-6712
Install update from vendor's repository.
Sources
- 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