CVE-2009-1883

N/A Unknown

Published: September 18, 2009 Modified: April 23, 2026

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html

Source: secalert@redhat.com

http://secunia.com/advisories/36759

Source: secalert@redhat.com

Vendor Advisory

http://secunia.com/advisories/37105

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2009/09/15/1

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2009/09/15/3

Source: secalert@redhat.com

http://www.redhat.com/support/errata/RHSA-2009-1438.html

Source: secalert@redhat.com

Vendor Advisory

http://www.ubuntu.com/usn/USN-852-1

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=505983

Source: secalert@redhat.com

Vendor Advisory

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513

Source: secalert@redhat.com

http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html