CVEvulnerability

CVE-2001-1559

5.5 MEDIUM Published 2001-12-31 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2001-12-31
Last modified
2026-06-16
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-476

Description

The uipc system calls (uipc_syscalls.c) in OpenBSD 2.9 and 3.0 provide user mode return instead of versus rval kernel mode values to the fdrelease function, which allows local users to cause a denial of service and trigger a null dereference.

Affected configurations

• openbsd openbsd 2.9 • openbsd openbsd 3.0

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

Referenced by CWE · observed example (3)

  • CWE-393 Return of Wrong Status Code weakness
  • CWE-476 NULL Pointer Dereference weakness
  • CWE-684 Incorrect Provision of Specified Functionality weakness

References