What is CVE-2009-1883?

CVE-2009-1883 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10, classified as a Permissions, Privileges and Access Control flaw (CWE-264). CVE-2009-1883 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2009-1883?

CVE-2009-1883 has a CVSS score of 4.4 out of 10, rated Medium severity. The vector string is AV:L/AC:M/Au:N/C:P/I:P/A:P.

Is there a patch available for CVE-2009-1883?

No patch is currently available for CVE-2009-1883. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2009-1883 actively exploited?

CVE-2009-1883 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/264.html

CVE-2009-1883

Medium

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.

Package Linux Kernel

Published 2009-09-18

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.4

out of 10

Medium

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Vector string

AV:L/AC:M/Au:N/C:P/I:P/A:P

Weakness type

CWE-264

CVE-2009-1883 is a Permissions, Privileges and Access Control vulnerability

What is Permissions, Privileges and Access Control?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2009-1883 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
Secunia
http://secunia.com/advisories/36759

Vendor Advisory
Secunia
http://secunia.com/advisories/37105
Openwall
http://www.openwall.com/lists/oss-security/2009/09/15/1
Openwall
http://www.openwall.com/lists/oss-security/2009/09/15/3
Red Hat
http://www.redhat.com/support/errata/RHSA-2009-1438.html

Vendor Advisory
Ubuntu Security
http://www.ubuntu.com/usn/USN-852-1
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=505983

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

Details

CVE ID CVE-2009-1883

Severity Medium

CVSS score 4.4 / 10

CVSS version 2.0

Published 2009-09-18

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2009-1883?

CVE-2009-1883 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 , classified as a Permissions, Privileges and Access Control flaw (CWE-264) . CVE-2009-1883 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2009-1883?

CVE-2009-1883 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:P/I:P/A:P.
Is there a patch available for CVE-2009-1883?

No patch is currently available for CVE-2009-1883. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2009-1883 actively exploited?

No — CVE-2009-1883 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. View CWE-264 on MITRE CWE →