RHSA-2022:9082HighCVSS 7.8

Red Hat Security Advisory: kpatch-patch security update

Published
December 15, 2022
Last Modified
October 14, 2026

🔗 CVE IDs covered (4)

CVE-2022-2639 →CVE-2022-2959 →CVE-2022-43945 →CVE-2022-1158 →

📋 Description

CVE-2022-1158 — kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region CVE-2022-2639 — kernel: openvswitch: integer underflow leads to out-of-bounds write in reserve_sfa_size() CVE-2022-2959 — kernel: watch queue race condition can lead to privilege escalation CVE-2022-43945 — kernel: nfsd buffer overflow by RPC message over TCP with garbage data

🎯 Affected products36

  • Red Hat Enterprise Linux BaseOS EUS (v.9.0)
  • kpatch-patch-5_14_0-70_13_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_13_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_13_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_13_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_13_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_13_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_13_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_17_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_17_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_17_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_17_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_17_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_17_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_17_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_22_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_22_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_22_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_22_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_22_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_22_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_22_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_26_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_26_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_26_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_26_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_26_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_26_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_26_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_30_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: 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. Workaround: To mitigate this issue, it is possible to prevent the affected code from being loaded by blocklisting the openvswitch kernel module. For instructions relating to blocklisting a kernel module, please see https://access.redhat.com/solutions/41278.

🔗 References (7)