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.
[
{
"vendor": "n/a",
"product": "kernel",
"versions": [
{
"version": "unknown",
"status": "affected"
}
]
}
]
bugzilla.redhat.com/show_bug.cgi?id=2132640
github.com/torvalds/linux/commit/643a16a0eb1d6ac23744bb6e90a00fc21148a9dc
lists.debian.org/debian-lts-announce/2023/05/msg00005.html
lists.debian.org/debian-lts-announce/2023/05/msg00006.html
lore.kernel.org/all/20221019031445.901570-1-zyytlz.wz%40163.com/
security.netapp.com/advisory/ntap-20230406-0005/
www.spinics.net/lists/kernel/msg4518970.html