NULL pointer dereference in Openbsd
CVE-2001-1559
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.
EPSS: 0.015 (71.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Openbsd — versions 2.9, 3.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (vdb-entry, Broken Link, x_refsource_XF)
- cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ, Broken Link)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Exploit, Broken Link)
Frequently asked questions
- What is CVE-2001-1559?
- CVE-2001-1559 is a medium-severity vulnerability in Openbsd, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2001-12-31.
- How severe is CVE-2001-1559?
- Medium severity. CVSS v3 base score is 5.5 out of 10.