CVE-2001-1559: Null Pointer Dereference
First published: Mon Dec 31 2001(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OpenBSD | =2.9 | |
| OpenBSD | =3.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2001-1559?
CVE-2001-1559 is classified as a denial of service vulnerability.
How do I fix CVE-2001-1559?
To fix CVE-2001-1559, update your OpenBSD system to a version later than 3.0.
Which OpenBSD versions are affected by CVE-2001-1559?
CVE-2001-1559 affects OpenBSD versions 2.9 and 3.0.
What kind of attack does CVE-2001-1559 facilitate?
CVE-2001-1559 allows local users to trigger a null dereference leading to a denial of service.
Is CVE-2001-1559 a remote or local vulnerability?
CVE-2001-1559 is a local vulnerability that can be exploited by local users.
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