RHSA-2024:2004HighCVSS 7.8

Red Hat Security Advisory: kernel security and bug fix update

Published
April 23, 2024
Last Modified
November 6, 2026

🔗 CVE IDs covered (5)

CVE-2023-4623 →CVE-2023-25775 →CVE-2020-36558 →CVE-2023-2002 →CVE-2023-4622 →

📋 Description

CVE-2020-36558 — kernel: race condition in VT_RESIZEX ioctl when vc_cons[i].d is already NULL leading to NULL pointer dereference CVE-2023-2002 — Kernel: bluetooth: Unauthorized management command execution CVE-2023-4622 — kernel: use after free in unix_stream_sendpage CVE-2023-4623 — kernel: net/sched: sch_hfsc UAF CVE-2023-25775 — kernel: irdma: Improper access control

🎯 Affected products162

  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Client Optional (v. 7)
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Server Optional (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)
  • Red Hat Enterprise Linux Workstation Optional (v. 7)
  • bpftool-0:3.10.0-1160.118.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1160.118.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1160.118.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • bpftool-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Client Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux ComputeNode Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)
  • bpftool-debuginfo-0:3.10.0-1160.118.1.el7.x86_64 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)
  • kernel-0:3.10.0-1160.118.1.el7.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)
  • kernel-0:3.10.0-1160.118.1.el7.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)
  • kernel-0:3.10.0-1160.118.1.el7.s390x as a component of Red Hat Enterprise Linux Server (v. 7)
  • kernel-0:3.10.0-1160.118.1.el7.src as a component of Red Hat Enterprise Linux Client (v. 7)
  • kernel-0:3.10.0-1160.118.1.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)
  • +132 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: Mitigation for this issue is either not available or 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 module sch_hfsc from being loaded by blacklisting the module to prevent it from loading automatically. ~~~ https://access.redhat.com/solutions/41278 ~~~

🔗 References (8)