Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting
Published Jun 23, 2006
4.0
MEDIUMCVSS 2.0
EPSS 0.38%
Description
Race condition in run_posix_cpu_timers in Linux kernel before 2.6.16.21 allows local users to cause a denial of service (BUG_ON crash) by causing one CPU to attach a timer to a process that is exiting.
Affected products
No data.
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.0
- 2.6.1
- 2.6.1
- 2.6.1
- 2.6.2
- 2.6.2
- 2.6.2
- 2.6.2
- 2.6.3
- 2.6.3
- 2.6.3
- 2.6.3
- 2.6.4
- 2.6.4
- 2.6.4
- 2.6.4
- 2.6.5
- 2.6.5
- 2.6.5
- 2.6.5
- 2.6.6
- 2.6.6
- 2.6.6
- 2.6.6
- 2.6.7
- 2.6.7
- 2.6.7
- 2.6.7
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.8
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.9
- 2.6.10
- 2.6.10
- 2.6.10
- 2.6.10
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
- 2.6.11.8
- 2.6.11.11
- 2.6.11.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12
- 2.6.12.1
- 2.6.12.2
- 2.6.12.3
- 2.6.12.4
- 2.6.12.5
- 2.6.12.6
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13
- 2.6.13.1
- 2.6.13.2
- 2.6.13.3
- 2.6.13.4
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14
- 2.6.14.1
- 2.6.14.2
- 2.6.14.3
- 2.6.14.4
- 2.6.14.5
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15
- 2.6.15.1
- 2.6.15.2
- 2.6.15.3
- 2.6.15.4
- 2.6.15.5
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16
- 2.6.16.1
- 2.6.16.2
- 2.6.16.3
- 2.6.16.4
- 2.6.16.5
- 2.6.16.6
- 2.6.16.7
- 2.6.16.8
- 2.6.16.9
- 2.6.16.10
- 2.6.16.11
- 2.6.16.12
- 2.6.16.13
- 2.6.16.14
- 2.6.16.15
- 2.6.16.16
- 2.6.16.17
- 2.6.16.18
- 2.6.16.19
- 2.6.16.20
- 2.6_test9_cvs
No data.
No Red Hat product state for this CVE.
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:H/Au:N/C:N/I:N/A:C
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 1, 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 1, 2026 | 0.38% (0.00376) | 29.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00376) | 29.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00064) | 17.07th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.66% (0.01662) | 88.12th | v3 (v2023.03.01) |
| Nov 16, 2023 | 2.06% (0.02064) | 87.78th | v3 (v2023.03.01) |
| Aug 19, 2023 | 1.49% (0.01492) | 85.20th | 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 (18)
- http://marc.info/?l=linux-kernel&m=115015841413687 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/20703 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/20831 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/20991 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21045 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/21179 third-party-advisoryx_refsource_SECUNIA
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=30f1e3dd8c72abda343bcf415f7d8894a02b4290 x_refsource_MISC
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.21 x_refsource_CONFIRM
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:123 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:151 vendor-advisoryx_refsource_MANDRIVA
- http://www.novell.com/linux/security/advisories/2006_42_kernel.html vendor-advisoryx_refsource_SUSE
- http://www.osvdb.org/26947 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/archive/1/438168/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/18615 vdb-entryx_refsource_BID
- http://www.trustix.org/errata/2006/0037 vendor-advisoryx_refsource_TRUSTIX
- http://www.ubuntu.com/usn/usn-311-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2006/2451 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/27380 vdb-entryx_refsource_XF
Change history (0)
No recorded changes yet.