VulnerabilityModified
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.
MEDIUM 5.5EPSS 1.48%
Does this matter?
Lower severity and a low EPSS score (1.48%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.48% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- openbsd/openbsd
- Source
- cve@mitre.org
References
- http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.htmlBroken Link, Exploit
- http://monkey.org/openbsd/archive/tech/0112/msg00015.htmlBroken Link, Exploit
- http://www.iss.net/security_center/static/7690.phpBroken Link
- http://archives.neohapsis.com/archives/bugtraq/2001-12/0014.htmlBroken Link, Exploit
- http://monkey.org/openbsd/archive/tech/0112/msg00015.htmlBroken Link, Exploit
- http://www.iss.net/security_center/static/7690.phpBroken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.