RHSA-2023:0832HighCVSS 7.5

Red Hat Security Advisory: kernel security and bug fix update

Published
February 21, 2023
Last Modified
August 5, 2026

🔗 CVE IDs covered (7)

CVE-2022-50410 →CVE-2022-50482 →CVE-2022-50487 · pendingCVE-2022-2873 →CVE-2022-41222 →CVE-2022-43945 →CVE-2022-50235 →

📋 Description

CVE-2022-2873 — kernel: an out-of-bounds vulnerability in i2c-ismt driver CVE-2022-41222 — kernel: mm/mremap.c use-after-free vulnerability CVE-2022-43945 — kernel: nfsd buffer overflow by RPC message over TCP with garbage data CVE-2022-50235 — kernel: NFSD: Protect against send buffer overflow in NFSv2 READDIR CVE-2022-50410 — kernel: NFSD: Protect against send buffer overflow in NFSv2 READ CVE-2022-50482 — kernel: iommu/vt-d: Clean up si_domain in the init_dmars() error path CVE-2022-50487 — kernel: NFSD: Protect against send buffer overflow in NFSv3 READDIR

🎯 Affected products122

  • Red Hat CodeReady Linux Builder (v. 8)
  • Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-0:4.18.0-425.13.1.el8_7.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-0:4.18.0-425.13.1.el8_7.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-0:4.18.0-425.13.1.el8_7.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-0:4.18.0-425.13.1.el8_7.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-425.13.1.el8_7.aarch64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • bpftool-debuginfo-0:4.18.0-425.13.1.el8_7.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-425.13.1.el8_7.ppc64le as a component of Red Hat CodeReady Linux Builder (v. 8)
  • bpftool-debuginfo-0:4.18.0-425.13.1.el8_7.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-425.13.1.el8_7.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • bpftool-debuginfo-0:4.18.0-425.13.1.el8_7.x86_64 as a component of Red Hat CodeReady Linux Builder (v. 8)
  • bpftool-debuginfo-0:4.18.0-425.13.1.el8_7.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-425.13.1.el8_7.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-425.13.1.el8_7.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-425.13.1.el8_7.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-425.13.1.el8_7.src as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-0:4.18.0-425.13.1.el8_7.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-abi-stablelists-0:4.18.0-425.13.1.el8_7.noarch as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-425.13.1.el8_7.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-425.13.1.el8_7.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-425.13.1.el8_7.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-core-0:4.18.0-425.13.1.el8_7.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-425.13.1.el8_7.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-425.13.1.el8_7.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-425.13.1.el8_7.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-0:4.18.0-425.13.1.el8_7.x86_64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-core-0:4.18.0-425.13.1.el8_7.aarch64 as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-core-0:4.18.0-425.13.1.el8_7.ppc64le as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • kernel-debug-core-0:4.18.0-425.13.1.el8_7.s390x as a component of Red Hat Enterprise Linux BaseOS (v. 8)
  • +92 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: To mitigate this issue, prevent module i2c-ismt from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically.

🔗 References (6)