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7.3
Red Hat Linux Kernel Security Update: Unauthorized Access Risk
RHSA-2026:3464
Summary
An update to the Red Hat Linux kernel fixes a vulnerability that could allow an attacker to gain unauthorized access to a system. This affects Red Hat Enterprise Linux users and could potentially allow an attacker to take control of the system. Users should apply the update as soon as possible to ensure their system remains secure.
What to do
- Update redhat bpftool to version 0:4.18.0-553.109.1.el8_10.
- Update redhat bpftool-debuginfo to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-abi-stablelists to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-core to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debug to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debug-core to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debug-debuginfo to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debug-devel to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debug-modules to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debug-modules-extra to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debuginfo to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debuginfo-common-aarch64 to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debuginfo-common-ppc64le to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debuginfo-common-s390x to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-debuginfo-common-x86_64 to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-devel to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-doc to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-modules to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-modules-extra to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-tools to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-tools-debuginfo to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-tools-libs to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-tools-libs-devel to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-zfcpdump to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-zfcpdump-core to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-zfcpdump-debuginfo to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-zfcpdump-devel to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-zfcpdump-modules to version 0:4.18.0-553.109.1.el8_10.
- Update redhat kernel-zfcpdump-modules-extra to version 0:4.18.0-553.109.1.el8_10.
- Update redhat perf to version 0:4.18.0-553.109.1.el8_10.
- Update redhat perf-debuginfo to version 0:4.18.0-553.109.1.el8_10.
- Update redhat python3-perf to version 0:4.18.0-553.109.1.el8_10.
- Update redhat python3-perf-debuginfo to version 0:4.18.0-553.109.1.el8_10.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | bpftool | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | bpftool-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-abi-stablelists | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-core | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-core | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-modules | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-modules-extra | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-aarch64 | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-ppc64le | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-s390x | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-x86_64 | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-doc | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-modules | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-modules-extra | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools-libs | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools-libs-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-core | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-modules | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-modules-extra | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | perf | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | perf-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | python3-perf | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | python3-perf-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | bpftool | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | bpftool-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-abi-stablelists | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-core | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-core | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-modules | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debug-modules-extra | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-aarch64 | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-ppc64le | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-s390x | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-debuginfo-common-x86_64 | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-doc | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-modules | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-modules-extra | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools-libs | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-tools-libs-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-core | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-devel | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-modules | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | kernel-zfcpdump-modules-extra | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | perf | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | perf-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | python3-perf | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
| redhat | python3-perf-debuginfo | <= 0:4.18.0-553.109.1.el8_10 | 0:4.18.0-553.109.1.el8_10 |
Original title
Red Hat Security Advisory: kernel security update
osv CVSS3.1
7.3
- https://access.redhat.com/errata/RHSA-2026:3464 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#moderate Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2436802 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3464.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-23097 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-23097 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-23097 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2026020427-CVE-2026-23097-a591@gregkh... Third Party Advisory
Published: 2 Mar 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026