CVE-2007-6712
Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when...
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.
Exploit likelihood
What each source reports
NVD Score used
4.9
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.
- Record
CVE-2007-6712- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-189
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-6712- Updated
- 2026-11-02
EUVDEUVD-2007-6676 No score
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.
- Record
EUVD-2007-6676- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g8gq-4rhw-xpq5 No score
Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when...
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.
- Record
GHSA-g8gq-4rhw-xpq5- Updated
- 2026-11-02
OSVBELL-CVE-2007-6712
4.9
CVE-2007-6712 does not affect BellSoft software
- Record
BELL-CVE-2007-6712- CVSS 2.0
- 4.9 Medium
AV:L/AC:L/Au:N/C:N/I:N/A:C - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linux-2.6Debian:4.0 |
before 2.6.18.dfsg.1-18etch5, plus listed versions 2.6.18.dfsg.1-122.6.18.dfsg.1-12etch12.6.18.dfsg.1-12etch22.6.18.dfsg.1-132.6.18.dfsg.1-13etch1 Show 15 moreShow less2.6.18.dfsg.1-13etch22.6.18.dfsg.1-13etch32.6.18.dfsg.1-13etch42.6.18.dfsg.1-13etch52.6.18.dfsg.1-13etch62.6.18.dfsg.1-13lenny12.6.18.dfsg.1-142.6.18.dfsg.1-152.6.18.dfsg.1-162.6.18.dfsg.1-172.6.18.dfsg.1-17etch12.6.18.dfsg.1-182.6.18.dfsg.1-18etch12.6.18.dfsg.1-18etch32.6.18.dfsg.1-18etch4 |
2.6.18.dfsg.1-18etch5 |
fai-kernelsDebian:4.0 |
before 1.17+etch.18etch5, plus listed versions 1.171.17+etch.13etch31.17+etch.13etch41.17+etch.13etch51.17+etch.13etch6 Show 13 moreShow less1.17+etch.161.17+etch.171.17+etch.17etch11.17+etch.18etch11.17+etch.18etch21.17+etch.18etch31.17+etch.18etch41.17+etch11.17+etch21.17+etch31.17+etch41.17+etch51.17etch1 |
1.17+etch.18etch5 |
user-mode-linuxDebian:4.0 |
before 2.6.18-1um-2etch.18etch5, plus listed versions 2.6.18-1um-22.6.18-1um-2etch.13etch32.6.18-1um-2etch.13etch42.6.18-1um-2etch.13etch52.6.18-1um-2etch.13etch6 Show 11 moreShow less2.6.18-1um-2etch.162.6.18-1um-2etch.172.6.18-1um-2etch.17etch12.6.18-1um-2etch.18etch12.6.18-1um-2etch.18etch22.6.18-1um-2etch.18etch32.6.18-1um-2etch.18etch42.6.18-1um-2etch12.6.18-1um-2etch22.6.18-1um-2etch32.6.18-1um-2etch4 |
2.6.18-1um-2etch.18etch5 |
kernelRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-PAERed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debugRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
Show 40 moreShow less
| Package | Affected | Fixed |
|---|---|---|
kernel-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-docRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-headersRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-xenRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::client |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernelRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-PAERed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-PAE-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-PAE-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debugRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debug-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debug-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-debuginfo-commonRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-docRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-headersRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-kdumpRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-kdump-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-kdump-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-xenRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-xen-debuginfoRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-xen-develRed Hat:enterprise_linux:5::server |
before 0:2.6.18-53.1.21.el5 | 0:2.6.18-53.1.21.el5 |
kernel-rtRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-debugRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-debug-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-debug-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-debuginfo-commonRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-docRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-traceRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-trace-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-trace-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-vanillaRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-vanilla-debuginfoRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
kernel-rt-vanilla-develRed Hat:enterprise_mrg:1::el5 |
before 0:2.6.24.7-74.el5rt | 0:2.6.24.7-74.el5rt |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| affected, aliases, facts, references, title | GitHub Advisories, OSV | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-6712 is a medium vulnerability (CVSS 4.9) in Kernel Linux Kernel, published April 12, 2008. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. Fixed in linux-2.6 2.6.18.dfsg.1-18etch5.
References
redhat.com/support/errata/RHSA-2008-0275.html
git.kernel.org?p=linux/kernel/git/chris/linux-2.6.git%3Ba=commitdiff%3Bh=13788ccc41ceea5893f9c747c59bc0b28f2416c2
secunia.com/advisories/30294
secunia.com/advisories/30368
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9210
exchange.xforce.ibmcloud.com/vulnerabilities/41827
Show 71 moreShow less
debian.org/security/2008/dsa-1588
redhat.com/support/errata/RHSA-2008-0585.html
secunia.com/advisories/31107
secunia.com/advisories/31628
ubuntu.com/usn/usn-625-1
lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html
securityfocus.com/bid/29294
secunia.com/advisories/30818
nvd.nist.gov/vuln/detail/CVE-2007-6712
git.kernel.org?p=linux/kernel/git/chris/linux-2.6.git;a=commitdiff;h=13788ccc41ceea5893f9c747c59bc0b28f2416c2
github.com/advisories/GHSA-g8gq-4rhw-xpq5
docs.bell-sw.com/security/cves/CVE-2007-6712
access.redhat.com/errata/RHSA-2008:0275
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=306591
bugzilla.redhat.com/show_bug.cgi?id=400821
bugzilla.redhat.com/show_bug.cgi?id=404291
bugzilla.redhat.com/show_bug.cgi?id=429516
bugzilla.redhat.com/show_bug.cgi?id=431430
bugzilla.redhat.com/show_bug.cgi?id=439999
bugzilla.redhat.com/show_bug.cgi?id=444402
bugzilla.redhat.com/show_bug.cgi?id=445360
security.access.redhat.com/data/csaf/v2/advisories/2008/rhsa-2008_0275.json
access.redhat.com/security/cve/CVE-2007-5093
cve.org/CVERecord?id=CVE-2007-5093
nvd.nist.gov/vuln/detail/CVE-2007-5093
access.redhat.com/security/cve/CVE-2007-6282
cve.org/CVERecord?id=CVE-2007-6282
nvd.nist.gov/vuln/detail/CVE-2007-6282
access.redhat.com/security/cve/CVE-2007-6712
cve.org/CVERecord?id=CVE-2007-6712
access.redhat.com/security/cve/CVE-2008-1615
cve.org/CVERecord?id=CVE-2008-1615
nvd.nist.gov/vuln/detail/CVE-2008-1615
access.redhat.com/errata/RHSA-2008:0585
bugzilla.redhat.com/show_bug.cgi?id=429290
bugzilla.redhat.com/show_bug.cgi?id=446031
bugzilla.redhat.com/show_bug.cgi?id=446060
bugzilla.redhat.com/show_bug.cgi?id=446397
bugzilla.redhat.com/show_bug.cgi?id=446777
bugzilla.redhat.com/show_bug.cgi?id=449676
bugzilla.redhat.com/show_bug.cgi?id=451271
bugzilla.redhat.com/show_bug.cgi?id=452478
bugzilla.redhat.com/show_bug.cgi?id=452666
bugzilla.redhat.com/show_bug.cgi?id=452692
bugzilla.redhat.com/show_bug.cgi?id=452693
bugzilla.redhat.com/show_bug.cgi?id=452974
bugzilla.redhat.com/show_bug.cgi?id=453135
bugzilla.redhat.com/show_bug.cgi?id=453677
bugzilla.redhat.com/show_bug.cgi?id=454913
bugzilla.redhat.com/show_bug.cgi?id=455275
bugzilla.redhat.com/show_bug.cgi?id=455747
security.access.redhat.com/data/csaf/v2/advisories/2008/rhsa-2008_0585.json
access.redhat.com/security/cve/CVE-2007-5966
cve.org/CVERecord?id=CVE-2007-5966
nvd.nist.gov/vuln/detail/CVE-2007-5966
access.redhat.com/security/cve/CVE-2008-2136
cve.org/CVERecord?id=CVE-2008-2136
nvd.nist.gov/vuln/detail/CVE-2008-2136
access.redhat.com/security/cve/CVE-2008-2148
cve.org/CVERecord?id=CVE-2008-2148
nvd.nist.gov/vuln/detail/CVE-2008-2148
access.redhat.com/security/cve/CVE-2008-2372
cve.org/CVERecord?id=CVE-2008-2372
nvd.nist.gov/vuln/detail/CVE-2008-2372
access.redhat.com/security/cve/CVE-2008-2729
cve.org/CVERecord?id=CVE-2008-2729
nvd.nist.gov/vuln/detail/CVE-2008-2729
access.redhat.com/security/cve/CVE-2008-2826
cve.org/CVERecord?id=CVE-2008-2826
nvd.nist.gov/vuln/detail/CVE-2008-2826