[LU-14925] kernel update [RHEL8.4 4.18.0-305.12.1.el8_4]

Related — Wed, 8 Sep 2021 23:44:01 +0000

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):

Whamcloud Community JIRA