CVE-2009-1883

Linux kernel <2.6.9 - Privilege Escalation

Title source: llm

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)

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html

[Vendor Advisory] http://secunia.com/advisories/36759

[Vendor Advisory] http://www.redhat.com/support/errata/RHSA-2009-1438.html

[Vendor Advisory] http://www.ubuntu.com/usn/USN-852-1

[Vendor Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=505983

[Third Party Advisory, VDB Entry] https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513

[Mailing List] http://www.openwall.com/lists/oss-security/2009/09/15/1

[Mailing List] http://www.openwall.com/lists/oss-security/2009/09/15/3

[Third Party Advisory] http://secunia.com/advisories/37105

Scores

EPSS 0.0008

EPSS Percentile 22.9%

Classification

CWE

CWE-264

Status draft

Affected Products (1)

linux/linux_kernel

Timeline

Published Sep 18, 2009

Tracked Since Feb 18, 2026