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HistoryJun 28, 2022 - 10:52 a.m.

(RHSA-2022:5316) Important: kernel security and bug fix update


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The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)

  • kernel: out-of-bounds read in fbcon_get_font function (CVE-2020-28915)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • weird port mapping with asymmetric traffic (BZ#2065266)

  • HBR3 is malfunction via MST HUB against Intel ADL-HX CPU (BZ#2066644)

  • openvswitch connection tracking sends incorrect flow key for some upcalls (BZ#2068476)

  • sctp connection abort unexpected. (BZ#2070959)

  • soft quota cannot exceed more the 5 warns which breaks timer functionality (BZ#2071713)

  • VirtIO Throughput for VM on host with OVS HW-Offload is very low (BZ#2074221)

  • SR-IOV performance > 50% degradation (BZ#2074829)

  • Call trace with parallel rules insertion and deletion (BZ#2075553)

  • Enable nested virtualization (BZ#2079069)

  • iscsi_ttx (iSERT) completions hung while waiting for mlx5_ib_drain_sq (BZ#2079433)

  • WARNING: CPU: 2 PID: 969 at kernel/locking/lockdep.c:895 register_lock_class+0x234/0x1640 (BZ#2079856)

  • mlx5: Some rule are not offloaded to HW in OVN K8s Pod 2 External use case (BZ#2079918)

  • OCP node kernel crash due to ceph_fsync - unsafe_request_wait+0x143 (BZ#2080071)

  • TCP doesn’t retransmit if in reorder state and waits for RTO (BZ#2080972)

  • pnfs NFSv4.1 IO causes a soft lockup (after a server reboot) and an unresponsive client (BZ#2080998)

  • BlueField2: DPU can’t switch to switchdev mode (BZ#2081011)

  • Important ice bug fixes (BZ#2081794)

  • For isolated CPUs (with nohz_full enabled for isolated CPUs) CPU utilization statistics are not getting reflected continuously (BZ#2084138)

  • Host is getting crash/abrupt reboot while the guest has been assigned with more than 128 GB RAM while it is using NVIDIA proprietary module. (BZ#2085572)

  • s_pf0vf2: hw csum failure for mlx5 (BZ#2086549)

  • kernel memory leak while freeing nested actions (BZ#2086590)

  • Regression: Bluetooth will not activate after 8.5 update (BZ#2087641)

  • mlx5,Internal port - traffic not offloaded on tunnel interface rules on chain > 0 when internal port is the vtep device. (BZ#2088610)

  • rule not offloaded on server side with syndrome(0x389e56) when direction is in (BZ#2088611)

  • TTL decrease only on the first packet (BZ#2088638)

  • TC HWOL of inbound traffic over geneve with ovs bridge as VTEP is not working (BZ#2088639)

  • Audio No Function on Orchid Bay(Mini Config) (BZ#2090423)