Vulnerability Name:

CVE-2007-6712 (CCN-41827)

Assigned:2007-03-16
Published:2007-03-16
Updated:2017-09-29
Summary: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.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-189
CWE-835
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2007-6712

Source: CCN
Type: Linux Kernel GIT Repository
[PATCH] hrtimer: prevent overrun DoS in hrtimer_forward()

Source: CONFIRM
Type: UNKNOWN
http://git.kernel.org/?p=linux/kernel/git/chris/linux-2.6.git;a=commitdiff;h=13788ccc41ceea5893f9c747c59bc0b28f2416c2

Source: SUSE
Type: UNKNOWN
SUSE-SA:2008:030

Source: CCN
Type: RHSA-2008-0275
Important: kernel security and bug fix update

Source: CCN
Type: RHSA-2008-0585
Important: kernel security and bug fix update

Source: SECUNIA
Type: UNKNOWN
30294

Source: SECUNIA
Type: UNKNOWN
30368

Source: SECUNIA
Type: UNKNOWN
30818

Source: SECUNIA
Type: UNKNOWN
31107

Source: SECUNIA
Type: UNKNOWN
31628

Source: DEBIAN
Type: UNKNOWN
DSA-1588

Source: DEBIAN
Type: DSA-1588
linux-2.6 -- denial of service

Source: CCN
Type: The Linux Kernel Archives Web site
The Linux Kernel Archives

Source: REDHAT
Type: UNKNOWN
RHSA-2008:0275

Source: REDHAT
Type: UNKNOWN
RHSA-2008:0585

Source: BID
Type: UNKNOWN
29294

Source: CCN
Type: BID-29294
Linux Kernel 'hrtimer_forward()' Local Denial of Service Vulnerability

Source: CCN
Type: USN-625-1
Linux kernel vulnerabilities

Source: UBUNTU
Type: UNKNOWN
USN-625-1

Source: XF
Type: UNKNOWN
linux-kernel-hrtimerforward-dos(41827)

Source: XF
Type: UNKNOWN
linux-kernel-hrtimerforward-dos(41827)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:9210

Source: SUSE
Type: SUSE-SA:2008:030
Linux kernel security update

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:x64:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:2.6.21:rc4:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*
  • OR cpe:/o:redhat:linux_advanced_workstation:2.1::itanium:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:6.06::lts:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:4.0:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:7.04:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:7.10:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:10.2:*:*:*:*:*:*:*
  • OR cpe:/o:opensuse:opensuse:10.3:*:*:*:*:*:*:*
  • OR cpe:/o:canonical:ubuntu:8.04::lts:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:17496
    P
    		USN-625-1 -- linux, linux-source-2.6.15/20/22 vulnerabilities
    2014-07-21
    oval:org.mitre.oval:def:18592
    P
    		DSA-1588-1 fai-kernels linux-2.6 user-mode-linux - several vulnerabilities
    2014-06-23
    oval:org.mitre.oval:def:8027
    P
    		DSA-1588 linux-2.6 -- denial of service
    2014-06-23
    oval:org.mitre.oval:def:22087
    P
    		ELSA-2008:0275: kernel security and bug fix update (Important)
    2014-05-26
    oval:org.mitre.oval:def:9210
    V
    		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.
    2013-04-29
    oval:org.opensuse.security:def:20076712
    V
    		CVE-2007-6712
    2012-07-03
    oval:org.debian:def:1588
    V
    		denial of service
    2008-05-27
    oval:com.redhat.rhsa:def:20080275
    P
    		RHSA-2008:0275: kernel security and bug fix update (Important)
    2008-05-20
    BACK
    kernel linux kernel 2.6.21_rc4
    linux linux kernel 2.6.21 rc4
    redhat enterprise linux 4
    redhat linux advanced workstation 2.1
    canonical ubuntu 6.06
    redhat enterprise linux 5
    debian debian linux 4.0
    canonical ubuntu 7.04
    redhat enterprise linux 5
    canonical ubuntu 7.10
    novell opensuse 10.2
    novell opensuse 10.3
    canonical ubuntu 8.04