CVE-2009-1883

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.

Category

4.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory ubuntu.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory secunia.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2009/09/15/1 mailing list
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513 signature vdb entry
http://www.ubuntu.com/usn/USN-852-1 vendor advisory
http://secunia.com/advisories/36759 third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=505983 vendor advisory
http://www.openwall.com/lists/oss-security/2009/09/15/3 mailing list
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2009-1438.html vendor advisory
http://secunia.com/advisories/37105 third party advisory

Frequently Asked Questions

What is the severity of CVE-2009-1883?
CVE-2009-1883 has been scored as a medium severity vulnerability.
How to fix CVE-2009-1883?
To fix CVE-2009-1883, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-1883 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-1883 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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