RHSA-2023:1557: Important: kernel security and bug fix update

Published Apr 4, 2023
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): ALSA: pcm: Move rwsem lock inside sndctlelemread to prevent UAF (CVE-2023-0266) kernel: net/ulp: use-after-free in listening ULP sockets (CVE-2023-0461) 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): RHEL8.4 - s390/kexec: fix ipl report address for kdump (BZ#2166298) Windows Server 2019 guest randomly pauses with "KVM: entry failed, hardware error 0x80000021" (BZ#2166370) net/mlx5e: Fix use-after-free when reverting termination table (BZ#2167642) net/ice: OPSETRSSHENA command not supported with in-tree driver (BZ#2167712) Backport Request for locking/rwsem commits (BZ#2170941) ipv6 traffic stop when an sriov vf have ipv6 address (BZ#2172552)

Affected Software

105 affected componentsFixes available
redhat/kernel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-abi-stablelists<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-doc<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo-common-s390x<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-zfcpdump-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-debuginfo-common-ppc64le<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-headers<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/bpftool<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/bpftool-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-core<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-cross-headers<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-core<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-devel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-modules<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debug-modules-extra<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-devel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-headers<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-modules<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-modules-extra<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools-libs<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/perf<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/perf-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/python3-perf<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/python3-perf-debuginfo<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.el8_4.aa
redhat/kernel-tools-libs-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.86.2.el8_4
4.18.0-305.86.2.el8_4
redhat/kernel-tools-libs-devel<4.18.0-305.86.2.el8_4.aa
4.18.0-305.86.2.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 4.18.0-305.86.2.el8_4
  2. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  3. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  4. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  5. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  6. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  7. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  8. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  9. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  10. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  11. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  12. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  13. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  14. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  15. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  16. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  17. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  18. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  19. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  20. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  21. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  22. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  23. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  24. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  25. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  26. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  27. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  28. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  29. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  30. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  31. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  32. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  33. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  34. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  35. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  36. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  37. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  38. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  39. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  40. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  41. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  42. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  43. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  44. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  45. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  46. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  47. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  48. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  49. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  50. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  51. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  52. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  53. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  54. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  55. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  56. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  57. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  58. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4
  59. Upgrade

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

    Fixed in 4.18.0-305.86.2.el8_4.aa
  60. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch BZ#2170941
  61. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch BZ#2166370
  62. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch BZ#2172552
  63. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch CVE-2023-0461
  64. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch BZ#2167712
  65. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch BZ#2167642
  66. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch BZ#2166298
  67. Upgrade

    Upgrade kernel packages (RHEL) to a version that resolves this vulnerability.

    Patch CVE-2023-0266
  68. Operational

    Reboot the system after applying the kernel update so the changes take effect.

Event History

Apr 4, 2023
Advisory Published
via Red Hat·12:00 AM

Frequently Asked Questions

1

What is the severity of RHSA-2023:1557?

The severity of RHSA-2023:1557 is classified as important.

2

How do I fix RHSA-2023:1557?

To fix RHSA-2023:1557, update your kernel packages to version 4.18.0-305.86.2.el8_4.

3

What vulnerabilities are addressed in RHSA-2023:1557?

RHSA-2023:1557 addresses a use-after-free vulnerability in the kernel related to ALSA and ULP sockets.

4

Which packages are affected by RHSA-2023:1557?

The affected packages include kernel, bpftool, kernel-core, and others in version 4.18.0-305.86.2.el8_4.

5

Is it safe to continue using affected software listed in RHSA-2023:1557?

No, it is not safe to continue using the affected software; prompt updates are recommended to mitigate potential risks.

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