Oracle Linux: CVE-2021-3348: ELSA-2021-9085: Unbreakable Enterprise kernel security update (IMPORTANT) (Multiple Advisories)
Description
nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71. A use after free flaw in the Linux kernel network block device (NBD) subsystem was found in the way user calls an ioctl NBD_SET_SOCK at a certain point during device setup.
Solution(s)
- oracle-linux-upgrade-kernel
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