K84310302 : Linux kernel vulnerability CVE-2019-12456

Security Advisory Description

DISPUTED 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. (CVE-2019-12456)

Impact

There is no impact; F5 products are not affected by this vulnerability.