The i386_set_ldt system call in NetBSD 1.5 and earlier, and OpenBSD 2.8 and earlier, when the USER_LDT kernel option is enabled, does not validate a call gate target, which allows local users to gain root privileges by creating a segment call gate in the Local Descriptor Table (LDT) with a target that specifies an arbitrary kernel address.
Advisories
Source ID Title
EUVD EUVD EUVD-2001-0268 The i386_set_ldt system call in NetBSD 1.5 and earlier, and OpenBSD 2.8 and earlier, when the USER_LDT kernel option is enabled, does not validate a call gate target, which allows local users to gain root privileges by creating a segment call gate in the Local Descriptor Table (LDT) with a target that specifies an arbitrary kernel address.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-08T04:14:07.154Z

Reserved: 2001-04-04T00:00:00

Link: CVE-2001-0268

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2001-05-03T04:00:00.000

Modified: 2025-04-03T01:03:51.193

Link: CVE-2001-0268

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses