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.
References (9)
Core 9
Core References
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/09/15/1
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-852-1
Vendor Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/36759
Vendor Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=505983
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2009/09/15/3
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
Vendor Advisory vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2009-1438.html
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/37105
Scores
EPSS
0.0034
EPSS Percentile
27.0%
Details
CWE
CWE-264
Status
published
Products (1)
linux/linux_kernel
2.6.9
Published
Sep 18, 2009
Tracked Since
Feb 18, 2026