CVE-2022-3424 Information

Description

A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=2132640 https://github.com/torvalds/linux/commit/643a16a0eb1d6ac23744bb6e90a00fc21148a9dc https://lore.kernel.org/all/20221019031445.901570-1-zyytlz.wz@163.com/ https://www.spinics.net/lists/kernel/msg4518970.html