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CVE-2019-14283

Description

A vulnerability was found in the Linux kernel’s floppy disk driver implementation. A local attacker with access to the floppy device could call set_geometry in drivers/block/floppy.c, which does not validate the sect and head fields, causing an integer overflow and out-of-bounds read. This flaw may crash the system or allow an attacker to gather information causing subsequent successful attacks. #### Mitigation The kernel module named 'floppy' contains the affected code, this can be blacklisted using the standard blacklisting techniques or disabled in the systems BIOS. See <https://access.redhat.com/solutions/41278> for how to blacklist a kernel module. Virtualized guest systems can also remove the system from the guests configuration to ensure that the module does not load.


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