RHSA-2022:6460MediumCVSS 6.7

Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Published
September 13, 2022
Last Modified
October 30, 2026

🔗 CVE IDs covered (6)

CVE-2022-48943 →CVE-2022-49557 →CVE-2022-49722 →CVE-2022-21123 →CVE-2022-21125 →CVE-2022-21166 →

📋 Description

CVE-2022-21123 — hw: cpu: incomplete clean-up of multi-core shared buffers (aka SBDR) CVE-2022-21125 — hw: cpu: incomplete clean-up of microarchitectural fill buffers (aka SBDS) CVE-2022-21166 — hw: cpu: incomplete clean-up in specific special register write operations (aka DRPW) CVE-2022-48943 — kernel: KVM: x86/mmu: make apf token non-zero to fix bug CVE-2022-49557 — kernel: x86/fpu: KVM: Set the base guest FPU uABI size to sizeof(struct kvm_xsave) CVE-2022-49722 — kernel: ice: Fix memory corruption in VF driver

🎯 Affected products132

  • Red Hat Enterprise Linux BaseOS (v. 8)
  • Red Hat Enterprise Linux CRB (v. 8)
  • Red Hat Virtualization 4 Hypervisor for RHEL 8
  • bpftool-0:4.18.0-372.26.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-0:4.18.0-372.26.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-0:4.18.0-372.26.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-0:4.18.0-372.26.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux CRB (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux CRB (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux CRB (v. 8)
  • bpftool-debuginfo-0:4.18.0-372.26.1.el8_6.x86_64 as a component of Red Hat Virtualization 4 Hypervisor for RHEL 8
  • kernel-0:4.18.0-372.26.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-372.26.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-372.26.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-372.26.1.el8_6.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-372.26.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-abi-stablelists-0:4.18.0-372.26.1.el8_6.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-372.26.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-372.26.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-372.26.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-372.26.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-372.26.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-372.26.1.el8_6.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-372.26.1.el8_6.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-372.26.1.el8_6.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-core-0:4.18.0-372.26.1.el8_6.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • +102 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 baser or stability.

🔗 References (6)