The sleep-in-atomic bug in /net/nfc/netlink.c of linux that allows attacker to crash linux kernel by simulating nfc device from user-space. [Root cause] The root cause of this sleep-in-atomic bug is that nlmsg_new with GFP_KERNEL parameter is called in fw_dnld_timeout which is a timer handler. [Patch] https://github.com/torvalds/linux/commit/4071bf121d59944d5cd2238de0642f3d7995a997
There was no shipped kernel version that was seen affected by this problem. These files are not built in our source code.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2022-1975