RHSA-2023:7411HighCVSS 7.8

Red Hat Security Advisory: kpatch-patch security update

Published
November 21, 2023
Last Modified
November 7, 2026

🔗 CVE IDs covered (5)

CVE-2023-4147 →CVE-2023-42753 →CVE-2023-3776 →CVE-2023-3812 →CVE-2023-4004 →

📋 Description

CVE-2023-3776 — kernel: net/sched: cls_fw component can be exploited as result of failure in tcf_change_indev function CVE-2023-3812 — kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags CVE-2023-4004 — kernel: netfilter: use-after-free due to improper element removal in nft_pipapo_remove() CVE-2023-4147 — kernel: netfilter: nf_tables_newrule when adding a rule with NFTA_RULE_CHAIN_ID leads to use-after-free CVE-2023-42753 — kernel: netfilter: potential slab-out-of-bound access due to integer underflow

🎯 Affected products36

  • Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_53_1-0:1-5.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_53_1-debuginfo-0:1-5.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_53_1-debugsource-0:1-5.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_53_1-debugsource-0:1-5.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_58_1-0:1-4.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_58_1-0:1-4.el9_0.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_58_1-0:1-4.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_58_1-debuginfo-0:1-4.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_58_1-debuginfo-0:1-4.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_58_1-debugsource-0:1-4.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_58_1-debugsource-0:1-4.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_64_1-0:1-3.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_64_1-0:1-3.el9_0.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_64_1-0:1-3.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_64_1-debuginfo-0:1-3.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_64_1-debuginfo-0:1-3.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_64_1-debugsource-0:1-3.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_64_1-debugsource-0:1-3.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_70_1-0:1-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_70_1-0:1-2.el9_0.src as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_70_1-0:1-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_70_1-debuginfo-0:1-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_70_1-debuginfo-0:1-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_70_1-debugsource-0:1-2.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_70_1-debugsource-0:1-2.el9_0.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_75_1-0:1-1.el9_0.ppc64le as a component of Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • +6 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 Workaround: To mitigate this issue, prevent module cls_fw from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: To mitigate this issue, prevent the tun module from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically. Workaround: This flaw can be mitigated by preventing the affected netfilter kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278. Workaround: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

🔗 References (8)