RHSA-2023:1841: Important: kernel security and bug fix update

Published Apr 18, 2023
·
Updated

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): 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): xfsbuf deadlock between inode deletion and block allocation (aarch64) (BZ#2164266) mlx5:CX6-DX: [IPsec crypto-offload, IPv6, TCP, Tunnel] tcp traffic is broken on IPsec crypto-offload over IPv6 (BZ#2165492) Windows Server 2019 guest randomly pauses with "KVM: entry failed, hardware error 0x80000021" (BZ#2166369) MSFT MANA NET Patch RHEL-8: Fix accessing freed irq affinityhint (BZ#2175252) Ethernet Port Configuration Tool (EPCT) not supported with in-tree ice driver (BZ#2176866) Application Performance impact on cgroup v2 (BZ#2177793) In FIPS mode, kernel does not transition into error state when RCT or APT health tests fail (BZ#2181732)

Affected Software

104 affected componentsFixes available
redhat/kernel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-abi-stablelists<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-doc<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo-common-s390x<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-zfcpdump-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-debuginfo-common-ppc64le<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-headers<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/bpftool<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/bpftool-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-core<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-cross-headers<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-core<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-devel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-modules<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debug-modules-extra<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-devel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-headers<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-modules<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-modules-extra<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools-libs<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/perf<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/perf-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/python3-perf<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/python3-perf-debuginfo<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.aa
redhat/kernel-tools-libs-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs-devel<4.18.0-372.52.1.el8_6
4.18.0-372.52.1.el8_6
redhat/kernel-tools-libs-devel<4.18.0-372.52.1.el8_6.aa
4.18.0-372.52.1.el8_6.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 4.18.0-372.52.1.el8_6
  2. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  3. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  4. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  5. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  6. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  7. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  8. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  9. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  10. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  11. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  12. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  13. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  14. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  15. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  16. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  17. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  18. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  19. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  20. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  21. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  22. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  23. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  24. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  25. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  26. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  27. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  28. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  29. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  30. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  31. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  32. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  33. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  34. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  35. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  36. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  37. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  38. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  39. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  40. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  41. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  42. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  43. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  44. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  45. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  46. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  47. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  48. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  49. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  50. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  51. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  52. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  53. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  54. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  55. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  56. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  57. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  58. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6
  59. Upgrade

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

    Fixed in 4.18.0-372.52.1.el8_6.aa
  60. Upgrade

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

    Patch BZ#2177793
  61. Upgrade

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

    Patch BZ#2176866
  62. Upgrade

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

    Patch BZ#2181732
  63. Upgrade

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

    Patch BZ#2175252
  64. Upgrade

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

    Patch BZ#2166369
  65. Upgrade

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

    Patch BZ#2165492
  66. Upgrade

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

    Patch BZ#2164266
  67. Upgrade

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

    Patch CVE-2023-0461
  68. Operational

    Reboot the system after applying this kernel security and bug fix update so the changes take effect.

Event History

Apr 5, 2024
Advisory Published
via Red Hat·01:38 AM

Frequently Asked Questions

1

What is the severity of RHSA-2023:1841?

The severity of RHSA-2023:1841 is classified as important due to a use-after-free vulnerability in the Linux kernel.

2

How do I fix RHSA-2023:1841?

To fix RHSA-2023:1841, update the affected kernel packages to version 4.18.0-372.52.1.el8_6 or later.

3

What systems are affected by RHSA-2023:1841?

RHSA-2023:1841 affects systems running the Linux kernel packages prior to version 4.18.0-372.52.1.el8_6.

4

What does RHSA-2023:1841 address?

RHSA-2023:1841 addresses a use-after-free vulnerability in listening ULP sockets that could lead to potential escalation of privileges.

5

Is a reboot required after applying the update for RHSA-2023:1841?

Yes, a reboot is necessary after updating the kernel packages to ensure the changes take effect.

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