An error in the Toshiba ACPI BIOS 1.6 causes the BIOS to only examine the first slot in the Master Boot Record (MBR) table for an active partition, which prevents the system from booting even though the MBR is not malformed
Published Apr 3, 2005
2.1
LOWCVSS 2.0
EPSS 0.35%
Description
An error in the Toshiba ACPI BIOS 1.6 causes the BIOS to only examine the first slot in the Master Boot Record (MBR) table for an active partition, which prevents the system from booting even though the MBR is not malformed. NOTE: it has been debated as to whether or not this issue poses a security vulnerability, since administrative privileges would be required, and other DoS attacks are possible with such privileges.
Affected products
No data.
- 1.6
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:L/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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.35% (0.00351) | 26.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.35% (0.00351) | 26.78th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00075) | 20.19th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00059) | 26.93th | v3 (v2023.03.01) |
| May 25, 2024 | 0.06% (0.00059) | 24.81th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00059) | 22.80th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.95% (0.00950) | 30.63th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.95% (0.00950) | 28.61th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
No CWE recorded.
References (4)
- http://marc.info/?l=bugtraq&m=111214319914810&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=111229708208629&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=111229803502643&w=2 mailing-listx_refsource_BUGTRAQ
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19895 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://marc.info/?l=bugtraq&m=111214319914810&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=111229708208629&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=111229803502643&w=2 | mailing-listx_refsource_BUGTRAQ | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/19895 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.