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CVE-2020-27835

kernel: child process is able to access parent mm through hfi dev file handle

A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
Linux Redhat
Products
Infiniband Hfi1 Driver Enterprise Linux