What is CVE-2012-4542?

CVE-2012-4542 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10, classified as a Permissions, Privileges and Access Control flaw (CWE-264). CVE-2012-4542 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2012-4542?

CVE-2012-4542 has a CVSS score of 4.6 out of 10, rated Medium severity. The vector string is AV:L/AC:L/Au:N/C:P/I:P/A:P.

Is there a patch available for CVE-2012-4542?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2012-4542 patch availability.

Is CVE-2012-4542 actively exploited?

CVE-2012-4542 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-2012-4542

Medium

block/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes.

Package Linux Kernel

Published 2013-02-28

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.6

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

Weakness type

CWE-264

CVE-2012-4542 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

8 total

Showing 5 of 8 references View all on NVD

Details

CVE ID CVE-2012-4542

Severity Medium

CVSS score 4.6 / 10

CVSS version 2.0

Published 2013-02-28

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2012-4542?

CVE-2012-4542 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.6 out of 10 , classified as a Permissions, Privileges and Access Control flaw (CWE-264) . CVE-2012-4542 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2012-4542?

CVE-2012-4542 has a CVSS score of 4.6 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:L/Au:N/C:P/I:P/A:P.
Is there a patch available for CVE-2012-4542?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2012-4542 patch availability.
Is CVE-2012-4542 actively exploited?

No. CVE-2012-4542 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.