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OpenAdvisories
High RHSA-2026:36366 1 CVE

Red Hat Security Advisory: kernel security update

Published Jul 8, 2026 · Updated Oct 10, 2026

Ecosystem: Red Hat

Fixed packages 43

ReleasePackageFixed in
Red Hat · RHEL 8 enterprise_linux:8::baseos bpftool 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos bpftool-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-abi-stablelists 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-core 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debug 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debug-core 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debug-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debug-devel 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debug-modules 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debug-modules-extra 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debuginfo-common-aarch64 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debuginfo-common-ppc64le 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debuginfo-common-s390x 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-debuginfo-common-x86_64 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-devel 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-doc 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-modules 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-modules-extra 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-tools 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-tools-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-tools-libs 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-zfcpdump 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-zfcpdump-core 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-zfcpdump-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-zfcpdump-devel 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-zfcpdump-modules 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos kernel-zfcpdump-modules-extra 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos perf 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos perf-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos python3-perf 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::baseos python3-perf-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb bpftool-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb kernel-debug-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb kernel-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb kernel-debuginfo-common-aarch64 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb kernel-debuginfo-common-ppc64le 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb kernel-debuginfo-common-x86_64 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb kernel-tools-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb kernel-tools-libs-devel 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb perf-debuginfo 0:4.18.0-553.141.1.el8_10
Red Hat · RHEL 8 enterprise_linux:8::crb python3-perf-debuginfo 0:4.18.0-553.141.1.el8_10

Vulnerabilities 1

  • High 8.8
    CVE-2026-43112

    fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

    In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only delimiters (e.g., "/"), the current logic …

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2467015
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_36366.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-43112
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-43112
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-43112
  • article
    https://lore.kernel.org/linux-cve-announce/2026050625-CVE-2026-43112-f37f@gregkh/T