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Security Fix(es):
- kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)
- kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
- kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)
Bug Fix(es):
- Urgent: Missing dptf_power.ko module in RHEL8 (BZ#1968381)
- [mlx5] kdump over NFS fails: mlx5 driver gives error "Stop room 95 is bigger than the SQ size 64" (BZ#1969909)
- BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 in bluetooth hci_error_reset on intel-tigerlake-h01 (BZ#1972564)
- Update CIFS to kernel 5.10 (BZ#1973637)
- Backport "tick/nohz: Conditionally restart tick on idle exit" to RHEL 8.5 (BZ#1978710)
- Significant performance drop starting on kernel-4.18.0-277 visible on mmap benchmark (BZ#1980314)
- Inaccessible NFS server overloads clients (native_queued_spin_lock_slowpath connotation?) (BZ#1980613)
- [RHEL8.4 BUG],RialtoMLK, I915 graphic driver failed to boot with one new 120HZ panel (BZ#1981250)
- act_ct: subject to DNAT tuple collision (BZ#1982494)
Enhancement(s):
- [Lenovo 8.5 FEAT] drivers/nvme - Update to the latest upstream (BZ#1965415)
https://access.redhat.com/errata/RHSA-2021:3057?sc_cid=701600000006NHXAA2
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