RHSA-2024:2621: Important: kernel security, bug fix, and enhancement update

Published Apr 30, 2024
·
Updated

Important: kernel security, bug fix, and enhancement update

Other sources

The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: use after free flaw in l2capconndel in net/bluetooth/l2capcore.c (CVE-2022-3640) kernel: Information leak in l2capparseconfreq in net/bluetooth/l2capcore.c (CVE-2022-42895) kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546,ZDI-CAN-20527) kernel: ext4: kernel bug in ext4writeinlinedataend() (CVE-2021-33631) kernel: untrusted VMM can trigger int80 syscall handling (CVE-2024-25744) Bug Fix(es): kernel: use after free flaw in l2capconndel in net/bluetooth/l2capcore.c (JIRA:RHEL-18806) tx-checksumming required for accessing port in OpenShift for RHEL 8.6 (JIRA:RHEL-20821) ceph: several cap and snap fixes (JIRA:RHEL-20908) unable to access smsc95xx based interface unless you start outgoing traffic. (JIRA:RHEL-25718) [RHEL8] ] BUG bio-696 (Not tainted): Poison overwritten (JIRA:RHEL-26100) kernel: ext4: kernel bug in ext4writeinlinedataend() (JIRA:RHEL-26330) kernel: Information leak in l2capparseconfreq in net/bluetooth/l2capcore.c (JIRA:RHEL-18808) kernel: GSM multiplexing race condition leads to privilege escalation (JIRA:RHEL-19953) Enhancement(s): [IBM 8.10 FEAT] Upgrade the qeth driver to latest from upstream, e.g. kernel 6.4 (JIRA:RHEL-25810)

— Red Hat

Affected Software

114 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
redhat/kernel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/bpftool<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-abi-stablelists<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-core<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-core<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-doc<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-headers<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-modules<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools-libs<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/perf<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/perf-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/python3-perf<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/bpftool<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-core<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug<4.18.0-477.55.1.el8_8
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redhat/kernel-debug-core<4.18.0-477.55.1.el8_8
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redhat/kernel-debug-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debuginfo-common-s390x<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-headers<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-modules<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-zfcpdump<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-zfcpdump-core<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-zfcpdump-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-zfcpdump-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-zfcpdump-modules<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-zfcpdump-modules-extra<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/perf<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/perf-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/python3-perf<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/bpftool<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/bpftool-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-core<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-cross-headers<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-core<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-modules<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debug-modules-extra<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-debuginfo-common-ppc64le<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-headers<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-modules<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-modules-extra<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools<4.18.0-477.55.1.el8_8
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redhat/kernel-tools-debuginfo<4.18.0-477.55.1.el8_8
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redhat/kernel-tools-libs<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/perf<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/perf-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/python3-perf<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/python3-perf-debuginfo<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/bpftool<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/bpftool-debuginfo<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-core<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-cross-headers<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debug<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debug-core<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debug-debuginfo<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debug-devel<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debug-modules<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debug-modules-extra<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debuginfo<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-debuginfo-common-aarch64<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-devel<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-headers<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-modules<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-modules-extra<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-tools<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-tools-debuginfo<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-tools-libs<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/perf<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/perf-debuginfo<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/python3-perf<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/python3-perf-debuginfo<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.aa
redhat/kernel-tools-libs-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools-libs-devel<4.18.0-477.55.1.el8_8
4.18.0-477.55.1.el8_8
redhat/kernel-tools-libs-devel<4.18.0-477.55.1.el8_8.aa
4.18.0-477.55.1.el8_8.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 4.18.0-477.55.1.el8_8
  2. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  3. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  4. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  5. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  6. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  7. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  8. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  9. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  10. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  11. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  12. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  13. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  14. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  15. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  16. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  17. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  18. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  19. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  20. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  21. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  22. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  23. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  24. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  25. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  26. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  27. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  28. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  29. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  30. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  31. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  32. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  33. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  34. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  35. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  36. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  37. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  38. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  39. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  40. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  41. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  42. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  43. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  44. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  45. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  46. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  47. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  48. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  49. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  50. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  51. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  52. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  53. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  54. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  55. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  56. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  57. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  58. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8
  59. Upgrade

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

    Fixed in 4.18.0-477.55.1.el8_8.aa
  60. Upgrade

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

    Patch RHEL-25810
  61. Upgrade

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

    Patch RHEL-18806
  62. Upgrade

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

    Patch RHEL-18808
  63. Upgrade

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

    Patch RHEL-26330
  64. Upgrade

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

    Patch RHEL-26100
  65. Upgrade

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

    Patch RHEL-19953
  66. Upgrade

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

    Patch RHEL-20908
  67. Upgrade

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

    Patch RHEL-25718
  68. Upgrade

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

    Patch RHEL-20821
  69. Compensating control

    System must be rebooted for this kernel update to take effect.

Event History

Apr 30, 2024
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·04:31 PM

Frequently Asked Questions

1

What is the severity of RHSA-2024:2621?

RHSA-2024:2621 is classified as Important due to a use-after-free vulnerability that could affect the Linux kernel.

2

How do I fix RHSA-2024:2621?

To fix RHSA-2024:2621, update your system to the kernel version 4.18.0-477.55.1.el8_8 or later.

3

What products are affected by RHSA-2024:2621?

RHSA-2024:2621 affects various Red Hat Enterprise Linux products including Server, Power, and x86_64 architectures.

4

What vulnerability is addressed in RHSA-2024:2621?

RHSA-2024:2621 addresses a use-after-free flaw in the l2cap_conn_del function within the Bluetooth subsystem.

5

Is it necessary to reboot after applying RHSA-2024:2621?

Yes, a reboot is typically required after applying the kernel updates to ensure the vulnerabilities are fully mitigated.

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