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CVE-2019-12456

Disclosure Date: May 30, 2019
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Description

An issue was discovered in the MPT3COMMAND case in _ctl_ioctl_main in drivers/scsi/mpt3sas/mpt3sas_ctl.c in the Linux kernel through 5.1.5. It allows local users to cause a denial of service or possibly have unspecified other impact by changing the value of ioc_number between two kernel reads of that value, aka a “double fetch” vulnerability. NOTE: a third party reports that this is unexploitable because the doubly fetched value is not used

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CVSS V3 Severity and Metrics
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General Information

Vendors

  • linux

Products

  • linux kernel
Technical Analysis