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CVE Record

CVE-2005-0963: An error in the Toshiba ACPI BIOS 1.6 causes the BIOS to only examine the first slot in the Master Boot Rec...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old, disputed boot-availability issue in Toshiba ACPI BIOS 1.6. The BIOS may refuse to boot a system if it does not find the active partition in the first MBR slot, even when the disk is otherwise valid. Business impact is mainly legacy device outage, not data theft. Exposure appears limited to legacy systems using Toshiba ACPI BIOS 1.6. The source bundle does not identify specific models, supported versions, or current vendor status. Modern fleets are likely unaffected unless old Toshiba hardware or images remain in use. Low operational priority unless the organization still depends on affected legacy Toshiba systems. For normal modern environments, this should be tracked as legacy asset hygiene. Prioritize remediation only where a failed boot would interrupt critical operations. Mitigation focus: Inventory legacy Toshiba systems and BIOS versions.; Check Toshiba or hardware-maintainer guidance for BIOS updates or advisories.; Avoid unsupported partition layouts on affected legacy systems..

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Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0ADP providers
2Source links

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Affected products

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n/an/an/aListed
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