security flaw
Published Feb 6, 2007
1.9
LOWCVSS 2.0
EPSS 0.37%
Description
The key serial number collision avoidance code in the key_alloc_serial function in Linux kernel 2.6.9 up to 2.6.20 allows local users to cause a denial of service (crash) via vectors that trigger a null dereference, as originally reported as "spinlock CPU recursion."
Affected products
No data.
- ≤ 2.6.20
- 2.6.9
No data.
Red Hat Enterprise Linux 4
kernel-0:2.6.9-42.0.10.EL
Fixed · RHSA-2007:0085
Red Hat Enterprise Linux 5
kernel-0:2.6.18-8.1.1.el5
Fixed · RHSA-2007:0099
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | kernel-0:2.6.9-42.0.10.EL | Fixed | RHSA-2007:0085 |
| Red Hat Enterprise Linux 5 | kernel-0:2.6.18-8.1.1.el5 | Fixed | RHSA-2007:0099 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.37% (0.00373) | 28.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.36% (0.00362) | 27.80th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00086) | 22.56th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.06% (0.00062) | 28.43th | v3 (v2023.03.01) |
| Jul 1, 2024 | 2.06% (0.02064) | 89.11th | v3 (v2023.03.01) |
| Apr 3, 2024 | 1.49% (0.01492) | 86.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
No CWE recorded.
References (24)
- http://bugzilla.kernel.org/show_bug.cgi?id=7727 x_refsource_CONFIRM
- http://secunia.com/advisories/24109 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24259 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24300 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24429 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24482 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24547 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/24752 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/25691 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:047 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:060 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2007_21_kernel.html vendor-advisoryx_refsource_SUSE
- http://www.redhat.com/support/errata/RHSA-2007-0085.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2007-0099.html vendor-advisoryx_refsource_REDHAT
- http://www.securityfocus.com/archive/1/471457 mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/22539 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/usn-451-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2007-0006 Vendor Advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=227495 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1618259 Issue Tracking
- https://issues.rpath.com/browse/RPL-1097 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2007-0006
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9829 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-0006
Change history (0)
No recorded changes yet.