CVE-2012-4542
Mediumblock/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.
CVSS 2.0 score
4.6
AV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness type
CWE-264CVE-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
The following references provide additional information about CVE-2012-4542 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
Frequently asked questions
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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.
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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?
No patch is currently available for CVE-2012-4542. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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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.
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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 →