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CVE-2009-1883

Date: September 18, 2009

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.

Severity Score

Related Resources (12)

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513
http://www.redhat.com/support/errata/RHSA-2009-1438.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2009-1883
http://secunia.com/advisories/36759
http://www.ubuntu.com/usn/USN-852-1
http://www.openwall.com/lists/oss-security/2009/09/15/1
http://www.openwall.com/lists/oss-security/2009/09/15/3
https://nvd.nist.gov/vuln/detail/CVE-2009-1883
https://bugzilla.redhat.com/show_bug.cgi?id=505983
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
http://secunia.com/advisories/37105
https://www.mend.io/vulnerability-database/CVE-2009-1883

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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