RHSA-2022:5819: 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: Small table perturb size in the TCP source port generation algorithm can lead to information leak (CVE-2022-1012) kernel: a use-after-free write in the netfilter subsystem can lead to privilege escalation to root (CVE-2022-32250) 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): Softirq hrtimers are being placed on the per-CPU softirq clocks on isolcpu’s. (BZ#2090484) enable/disable multiqueues repeatedly while ping local host, guest kernel panic (BZ#2093416) Backport kernel audit enhancements and fixes from v5.13-rc1 to v5.16-rc6 (BZ#2095434) blkupdaterequest: I/O error, dev nvme0n3, during xfs creation (BZ#2100150) SCSI updates for RHEL 8.7 (BZ#2100254) Kernel bug on mm/slub.c:314 (BZ#2102251) Implement new tc action for checkpktlen (BZ#2102333) too long timeout value with TIMEWAIT status of conntrack entry (BZ#2104002) Connectx6-DX, mlx5 , backport 087032ee7021 ("net/mlx5e: TC, Fix ctclear overwriting ct action metadata") (BZ#2104012) mlx5: Software steering memory allocation failure, netperf TCPCRR with ct(). (BZ#2104013) tcp: requestsock leak in Calico OCP (BZ#2104670)
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/bpftoolto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/bpftool-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-abi-stableliststo a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debug-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-docto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debuginfo-common-s390xto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-zfcpdumpto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-zfcpdump-coreto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-zfcpdump-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-zfcpdump-develto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-zfcpdump-modulesto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-zfcpdump-modules-extrato a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-debuginfo-common-ppc64leto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/bpftoolto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/bpftool-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-coreto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debugto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debug-coreto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debug-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debug-develto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debug-modulesto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-debuginfo-common-aarch64to a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-develto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-toolsto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-tools-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/perf-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/python3-perf-debuginfoto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6 - Upgrade
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redhat/kernel-tools-libs-develto a version that resolves this vulnerability.Fixed in 4.18.0-372.19.1.el8_6.aa
Event History
Frequently Asked Questions
What is the severity of RHSA-2022:5819?
The severity of RHSA-2022:5819 is classified as important.
How do I fix RHSA-2022:5819?
To fix RHSA-2022:5819, update your kernel package to version 4.18.0-372.19.1.el8_6.
What vulnerabilities does RHSA-2022:5819 address?
RHSA-2022:5819 addresses vulnerabilities including a potential information leak and a use-after-free write.
Which systems are affected by RHSA-2022:5819?
RHSA-2022:5819 affects Red Hat Enterprise Linux 8 systems with the specified kernel packages.
Is there a specific version of the kernel I need to upgrade to for RHSA-2022:5819?
Yes, the recommended upgrade for RHSA-2022:5819 is to kernel version 4.18.0-372.19.1.el8_6.