RHSA-2022:5316: Important: kernel security and bug fix update
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 fbcongetfont 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) iscsittx (iSERT) completions hung while waiting for mlx5ibdrainsq (BZ#2079433) WARNING: CPU: 2 PID: 969 at kernel/locking/lockdep.c:895 registerlockclass+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 cephfsync - unsaferequestwait+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 nohzfull 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) spf0vf2: 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)
Affected Software
Remediation
Event History
Frequently Asked Questions
What are the vulnerabilities addressed in RHSA-2022:5316?
RHSA-2022:5316 addresses a buffer overflow in IPsec ESP transformation code (CVE-2022-27666) and an out-of-bounds read in the fbcon_get_font function (CVE-2020-28915).
What is the severity level of RHSA-2022:5316?
The severity level of RHSA-2022:5316 is categorized as important due to the potential impact on system security and stability.
How do I fix RHSA-2022:5316?
To fix RHSA-2022:5316, update the affected packages to version 4.18.0-372.13.1.el8_6 or later.
Which packages are affected in RHSA-2022:5316?
The affected packages in RHSA-2022:5316 include kernel, bpftool, and other related kernel components.
Is a system reboot required after applying RHSA-2022:5316?
Yes, a system reboot is typically required after updating kernel packages to ensure the changes take effect.