Vulnerability Description
The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | 2.6.9 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
- http://secunia.com/advisories/36759Vendor Advisory
- http://secunia.com/advisories/37105
- http://www.openwall.com/lists/oss-security/2009/09/15/1
- http://www.openwall.com/lists/oss-security/2009/09/15/3
- http://www.redhat.com/support/errata/RHSA-2009-1438.htmlVendor Advisory
- http://www.ubuntu.com/usn/USN-852-1
- https://bugzilla.redhat.com/show_bug.cgi?id=505983Vendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
- http://secunia.com/advisories/36759Vendor Advisory
- http://secunia.com/advisories/37105
- http://www.openwall.com/lists/oss-security/2009/09/15/1
- http://www.openwall.com/lists/oss-security/2009/09/15/3
- http://www.redhat.com/support/errata/RHSA-2009-1438.htmlVendor Advisory
FAQ
What is CVE-2009-1883?
CVE-2009-1883 is a vulnerability with a CVSS score of 4.4 (MEDIUM). The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 priv...
How severe is CVE-2009-1883?
CVE-2009-1883 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-1883?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.