Security Fix(es):

• Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)

Bug Fix(es):

• kernel: hw: provide reporting and microcode mitigation toggle for CVE-2020-0543 / Special Register Buffer Data Sampling (SRBDS) (BZ#1827187)
• kernel BUG at fs/fscache/operation.c:70! FS-Cache: 4 == 5 is false - current state is FSCACHE_OP_ST_COMPLETE but should be FSCACHE_OP_CANCELLED in fscache_enqueue_operation (BZ#1839757)
• Deadlock condition grabbing ssb_state lock (BZ#1841121)

https://access.redhat.com/errata/RHSA-2020:2664?sc_cid=701600000006NHXAA2