RHSA-2024:2582MediumCVSS 7.8

Red Hat Security Advisory: kernel security and bug fix update

Published
April 30, 2024
Last Modified
August 4, 2026

🔗 CVE IDs covered (4)

CVE-2024-26602 →CVE-2021-46915 →CVE-2023-40283 →CVE-2024-26586 →

📋 Description

CVE-2021-46915 — kernel: netfilter: divide error in nft_limit_init CVE-2023-40283 — kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c CVE-2024-26586 — kernel: mlxsw: spectrum_acl_tcam: Fix stack corruption CVE-2024-26602 — kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier

🎯 Affected products100

  • Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • bpftool-0:4.18.0-305.130.1.el8_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • bpftool-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • bpftool-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • bpftool-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • bpftool-debuginfo-0:4.18.0-305.130.1.el8_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • bpftool-debuginfo-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • bpftool-debuginfo-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • bpftool-debuginfo-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • kernel-0:4.18.0-305.130.1.el8_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-0:4.18.0-305.130.1.el8_4.src as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • kernel-0:4.18.0-305.130.1.el8_4.src as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-0:4.18.0-305.130.1.el8_4.src as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • kernel-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • kernel-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • kernel-abi-stablelists-0:4.18.0-305.130.1.el8_4.noarch as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • kernel-abi-stablelists-0:4.18.0-305.130.1.el8_4.noarch as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-abi-stablelists-0:4.18.0-305.130.1.el8_4.noarch as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • kernel-core-0:4.18.0-305.130.1.el8_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-core-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • kernel-core-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-core-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • kernel-debug-0:4.18.0-305.130.1.el8_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-debug-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • kernel-debug-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • kernel-debug-0:4.18.0-305.130.1.el8_4.x86_64 as a component of Red Hat Enterprise Linux BaseOS TUS (v.8.4)
  • kernel-debug-core-0:4.18.0-305.130.1.el8_4.ppc64le as a component of Red Hat Enterprise Linux BaseOS E4S (v.8.4)
  • +70 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Workaround: Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: To mitigate this issue, prevent the mlxsw_spectrum module from being loaded. Please see https://access.redhat.com/solutions/41278 for information on blacklisting a kernel module to prevent it from loading automatically.

🔗 References (7)