RHSA-2022:1455: Important: kernel security, bug fix, and enhancement update

Published Apr 20, 2022
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: fget: check that the fd still exists after getting a ref to it (CVE-2021-4083) kernel: cgroups v1 releaseagent feature may allow privilege escalation (CVE-2022-0492) kernel: heap out of bounds write in nfdupnetdev.c (CVE-2022-25636) 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 Fixes: Power10 PMU fix for PMCYC/PMINSTCMPL ( kernel/perf) (BZ#2040665) call traces and packet drops seen after changing mtu of ibmvnic interface. (ibmvnic/ P10/ Everglade) (BZ#2050679) zfcp: fix failed recovery on gone remote port, non-NPIV FCP dev (BZ#2050739) overlay mount fails with ELOOP (Too many levels of symbolic links) (BZ#2053030) Host unable to automatically add namespaces belonging to a new ANA group (BZ#2055466) scheduler updates and fixes [None8.4.0.z] (BZ#2056834) nfreinject calls nfqueueentryfree on an already freed entry->state (BZ#2061445) First Packet Latency impacted by mlx5 warning msg (BZ#2067992) openvswitch connection tracking sends incorrect flow key for some upcalls (BZ#2068477) Backport upstream rcu commits up to v5.10 (BZ#2069819) Packages have been upgraded to a later upstream version: kernel (4.18.0) (BZ#2036932) Enhancement: zcrypt DD: Toleration for new IBM Z Crypto Hardware (BZ#2054097)

Affected Software

105 affected componentsFixes available
redhat/kernel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/bpftool<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/bpftool-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-abi-stablelists<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-core<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-cross-headers<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-core<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-modules<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-doc<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-headers<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-modules<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-modules-extra<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools-libs<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/perf<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/perf-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/python3-perf<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/bpftool<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/bpftool-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-core<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-cross-headers<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-core<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-modules<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debuginfo-common-s390x<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-headers<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-modules<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-modules-extra<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-zfcpdump<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-zfcpdump-core<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-zfcpdump-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-zfcpdump-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-zfcpdump-modules<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-zfcpdump-modules-extra<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/perf<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/perf-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/python3-perf<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/bpftool<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/bpftool-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-core<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-cross-headers<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-core<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-modules<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-debuginfo-common-ppc64le<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-headers<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-modules<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-modules-extra<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools-libs<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/perf<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/perf-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/python3-perf<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/bpftool<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/bpftool-debuginfo<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-core<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-cross-headers<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debug<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debug-core<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debug-debuginfo<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debug-devel<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debug-modules<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debug-modules-extra<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debuginfo<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-devel<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-headers<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-modules<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-modules-extra<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-tools<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-tools-debuginfo<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-tools-libs<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/perf<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/perf-debuginfo<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/python3-perf<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/python3-perf-debuginfo<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa
redhat/kernel-tools-libs-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.45.1.el8_4
4.18.0-305.45.1.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.45.1.el8_4.aa
4.18.0-305.45.1.el8_4.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  2. Upgrade

    Upgrade redhat/bpftool to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  3. Upgrade

    Upgrade redhat/bpftool-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  4. Upgrade

    Upgrade redhat/kernel-abi-stablelists to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  5. Upgrade

    Upgrade redhat/kernel-core to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  6. Upgrade

    Upgrade redhat/kernel-cross-headers to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  7. Upgrade

    Upgrade redhat/kernel-debug to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  8. Upgrade

    Upgrade redhat/kernel-debug-core to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  9. Upgrade

    Upgrade redhat/kernel-debug-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  10. Upgrade

    Upgrade redhat/kernel-debug-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  11. Upgrade

    Upgrade redhat/kernel-debug-modules to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  12. Upgrade

    Upgrade redhat/kernel-debug-modules-extra to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  13. Upgrade

    Upgrade redhat/kernel-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  14. Upgrade

    Upgrade redhat/kernel-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  15. Upgrade

    Upgrade redhat/kernel-doc to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  16. Upgrade

    Upgrade redhat/kernel-headers to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  17. Upgrade

    Upgrade redhat/kernel-modules to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  18. Upgrade

    Upgrade redhat/kernel-modules-extra to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  19. Upgrade

    Upgrade redhat/kernel-tools to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  20. Upgrade

    Upgrade redhat/kernel-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  21. Upgrade

    Upgrade redhat/kernel-tools-libs to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  22. Upgrade

    Upgrade redhat/perf to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  23. Upgrade

    Upgrade redhat/perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  24. Upgrade

    Upgrade redhat/python3-perf to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  25. Upgrade

    Upgrade redhat/python3-perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  26. Upgrade

    Upgrade redhat/kernel-debuginfo-common-s390x to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  27. Upgrade

    Upgrade redhat/kernel-zfcpdump to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  28. Upgrade

    Upgrade redhat/kernel-zfcpdump-core to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  29. Upgrade

    Upgrade redhat/kernel-zfcpdump-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  30. Upgrade

    Upgrade redhat/kernel-zfcpdump-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  31. Upgrade

    Upgrade redhat/kernel-zfcpdump-modules to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  32. Upgrade

    Upgrade redhat/kernel-zfcpdump-modules-extra to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  33. Upgrade

    Upgrade redhat/kernel-debuginfo-common-ppc64le to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  34. Upgrade

    Upgrade redhat/bpftool to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  35. Upgrade

    Upgrade redhat/bpftool-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  36. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  37. Upgrade

    Upgrade redhat/kernel-core to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  38. Upgrade

    Upgrade redhat/kernel-cross-headers to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  39. Upgrade

    Upgrade redhat/kernel-debug to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  40. Upgrade

    Upgrade redhat/kernel-debug-core to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  41. Upgrade

    Upgrade redhat/kernel-debug-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  42. Upgrade

    Upgrade redhat/kernel-debug-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  43. Upgrade

    Upgrade redhat/kernel-debug-modules to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  44. Upgrade

    Upgrade redhat/kernel-debug-modules-extra to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  45. Upgrade

    Upgrade redhat/kernel-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  46. Upgrade

    Upgrade redhat/kernel-debuginfo-common-aarch64 to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  47. Upgrade

    Upgrade redhat/kernel-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  48. Upgrade

    Upgrade redhat/kernel-headers to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  49. Upgrade

    Upgrade redhat/kernel-modules to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  50. Upgrade

    Upgrade redhat/kernel-modules-extra to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  51. Upgrade

    Upgrade redhat/kernel-tools to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  52. Upgrade

    Upgrade redhat/kernel-tools-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  53. Upgrade

    Upgrade redhat/kernel-tools-libs to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  54. Upgrade

    Upgrade redhat/perf to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  55. Upgrade

    Upgrade redhat/perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  56. Upgrade

    Upgrade redhat/python3-perf to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  57. Upgrade

    Upgrade redhat/python3-perf-debuginfo to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  58. Upgrade

    Upgrade redhat/kernel-tools-libs-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4
  59. Upgrade

    Upgrade redhat/kernel-tools-libs-devel to a version that resolves this vulnerability.

    Fixed in 4.18.0-305.45.1.el8_4.aa
  60. Upgrade

    Upgrade kernel to a version that resolves this vulnerability.

    Fixed in 4.18.0
  61. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2036932
  62. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2056834
  63. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2040665
  64. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2069819
  65. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2067992
  66. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2055466
  67. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2061445
  68. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2068477
  69. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2053030
  70. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2050739
  71. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2054097
  72. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BZ#2050679
  73. Configuration

    Reboot the system for this update to take effect (required by the advisory).

    Linux kernel reboot_required_for_update = true

Event History

Feb 28, 2026
Advisory Published
via Red Hat·04:52 PM
Data Sourced
via Red Hat·04:52 PM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2022:1455?

The severity of RHSA-2022:1455 is categorized as critical due to the potential for privilege escalation and denial of service.

2

How do I fix RHSA-2022:1455?

To fix RHSA-2022:1455, you need to update to the kernel packages version 4.18.0-305.45.1.el8_4 or later.

3

Which systems are affected by RHSA-2022:1455?

RHSA-2022:1455 affects multiple versions of the Red Hat Enterprise Linux kernel and associated packages.

4

What vulnerabilities are addressed in RHSA-2022:1455?

RHSA-2022:1455 addresses vulnerabilities including CVE-2021-4083 which allows for checking file descriptor validity.

5

Is RHSA-2022:1455 related to Linux kernel security?

Yes, RHSA-2022:1455 is specifically related to vulnerabilities within the Linux kernel impacting system security.

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