Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netbsd | Netbsd | <= 1.5 |
| Openbsd | Openbsd | <= 2.8 |
References
- http://archives.neohapsis.com/archives/bugtraq/2001-02/0353.html
- http://archives.neohapsis.com/archives/linux/caldera/2001-q4/0014.html
- http://archives.neohapsis.com/archives/netbsd/2001-q1/0093.htmlPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/358960US Government Resource
- http://www.openbsd.org/errata.html#userldt
- http://www.osvdb.org/6141
- http://www.securityfocus.com/bid/2739
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6222
- http://archives.neohapsis.com/archives/bugtraq/2001-02/0353.html
- http://archives.neohapsis.com/archives/linux/caldera/2001-q4/0014.html
- http://archives.neohapsis.com/archives/netbsd/2001-q1/0093.htmlPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/358960US Government Resource
- http://www.openbsd.org/errata.html#userldt
- http://www.osvdb.org/6141
- http://www.securityfocus.com/bid/2739
FAQ
What is CVE-2001-0268?
CVE-2001-0268 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 ...
How severe is CVE-2001-0268?
CVE-2001-0268 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2001-0268?
Check the references section above for vendor advisories and patch information. Affected products include: Netbsd Netbsd, Openbsd Openbsd.