RHSA-2022:0831: Important: kernel security update

Published Mar 10, 2022
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: improper initialization of the "flags" member of the new pipebuffer (CVE-2022-0847) 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.

Affected Software

105 affected componentsFixes available
redhat/kernel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/bpftool<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-abi-stablelists<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-core<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-core<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-doc<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-headers<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-modules<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools-libs<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/perf<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/perf-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/python3-perf<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/bpftool<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-core<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-core<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debuginfo-common-s390x<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-headers<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-modules<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-zfcpdump<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-zfcpdump-core<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-zfcpdump-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-zfcpdump-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-zfcpdump-modules<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-zfcpdump-modules-extra<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/perf<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/perf-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/python3-perf<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/bpftool<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-core<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-core<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-debuginfo-common-ppc64le<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-headers<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-modules<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools-libs<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/perf<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/perf-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/python3-perf<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/bpftool<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/bpftool-debuginfo<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-core<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-cross-headers<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debug<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debug-core<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debug-debuginfo<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debug-devel<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debug-modules<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debug-modules-extra<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debuginfo<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-devel<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-headers<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-modules<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-modules-extra<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-tools<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-tools-debuginfo<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-tools-libs<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/perf<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/perf-debuginfo<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/python3-perf<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/python3-perf-debuginfo<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.el8_4.aa
redhat/kernel-tools-libs-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.40.2.el8_4
4.18.0-305.40.2.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.40.2.el8_4.aa
4.18.0-305.40.2.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 4.18.0-305.40.2.el8_4
  2. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  3. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  4. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  5. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  6. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  7. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  8. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  9. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  10. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  11. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  12. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  13. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  14. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  15. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  16. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  17. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  18. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  19. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  20. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  21. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  22. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  23. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  24. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  25. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  26. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  27. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  28. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  29. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  30. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  31. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  32. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  33. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  34. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  35. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  36. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  37. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  38. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  39. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  40. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  41. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  42. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  43. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  44. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  45. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  46. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  47. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  48. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  49. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  50. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  51. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  52. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  53. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  54. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  55. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  56. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  57. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  58. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4
  59. Upgrade

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

    Fixed in 4.18.0-305.40.2.el8_4.aa
  60. Operational

    Reboot the system so the kernel security update takes effect.

Event History

Feb 16, 2026
Advisory Published
via Red Hat·06:03 PM
Data Sourced
via Red Hat·06:03 PM
RemedyDescriptionAffected Software

Frequently Asked Questions

1

What is the severity of RHSA-2022:0831?

The severity of RHSA-2022:0831 is classified as Important.

2

How do I fix RHSA-2022:0831?

To fix RHSA-2022:0831, update the affected kernel packages to version 4.18.0-305.40.2.el8_4 or later.

3

What vulnerability does RHSA-2022:0831 address?

RHSA-2022:0831 addresses CVE-2022-0847, which involves improper initialization of the "flags" member of the new pipe_buffer.

4

Which systems are affected by RHSA-2022:0831?

RHSA-2022:0831 affects Red Hat Enterprise Linux 8 systems that use the vulnerable kernel packages.

5

Is RHSA-2022:0831 applicable for all Linux distributions?

No, RHSA-2022:0831 specifically applies to Red Hat-based systems and not to other Linux distributions.

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