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7.5
Linux Kernel Update Fixes Multiple Security Flaws in Red Hat Enterprise Linux
RHSA-2026:3388
Summary
Red Hat has released an update for the Linux kernel, which is used by Red Hat Enterprise Linux. This update resolves several security issues that could allow an attacker to gain unauthorized access to a system or execute malicious code. It is recommended that users apply this update as soon as possible to ensure the security and stability of their systems.
What to do
- Update redhat bpftool to version 0:4.18.0-193.187.1.el8_2.
- Update redhat bpftool-debuginfo to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-abi-whitelists to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-core to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debug to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debug-core to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debug-debuginfo to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debug-devel to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debug-modules to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debug-modules-extra to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debuginfo to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-debuginfo-common-x86_64 to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-devel to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-doc to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-modules to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-modules-extra to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-tools to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-tools-debuginfo to version 0:4.18.0-193.187.1.el8_2.
- Update redhat kernel-tools-libs to version 0:4.18.0-193.187.1.el8_2.
- Update redhat perf to version 0:4.18.0-193.187.1.el8_2.
- Update redhat perf-debuginfo to version 0:4.18.0-193.187.1.el8_2.
- Update redhat python3-perf to version 0:4.18.0-193.187.1.el8_2.
- Update redhat python3-perf-debuginfo to version 0:4.18.0-193.187.1.el8_2.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | bpftool | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | bpftool-debuginfo | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-abi-whitelists | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-core | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debug | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debug-core | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debug-debuginfo | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debug-devel | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debug-modules | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debug-modules-extra | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debuginfo | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-debuginfo-common-x86_64 | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-devel | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-doc | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-modules | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-modules-extra | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-tools | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-tools-debuginfo | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | kernel-tools-libs | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | perf | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | perf-debuginfo | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | python3-perf | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
| redhat | python3-perf-debuginfo | <= 0:4.18.0-193.187.1.el8_2 | 0:4.18.0-193.187.1.el8_2 |
Original title
Red Hat Security Advisory: kernel security update
osv CVSS3.1
7.5
- https://access.redhat.com/errata/RHSA-2026:3388 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2373326 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2383404 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2383487 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2394601 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2400795 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2419837 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2420329 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2420376 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2426226 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2436791 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3388.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2022-50865 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-50865 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-50865 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025123049-CVE-2022-50865-281e@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-53513 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-53513 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-53513 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025100130-CVE-2023-53513-4667@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-53821 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-53821 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-53821 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025120950-CVE-2023-53821-9542@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-53827 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2023-53827 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-53827 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025120952-CVE-2023-53827-b045@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-38022 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-38022 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-38022 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025061846-CVE-2025-38022-41b3@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-38415 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-38415 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-38415 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025072513-CVE-2025-38415-c634@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-38459 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-38459 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-38459 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025072507-CVE-2025-38459-e941@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-39760 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-39760 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-39760 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025091145-CVE-2025-39760-2d5f@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-40271 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-40271 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40271 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025120716-CVE-2025-40271-7612@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-23074 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-23074 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-23074 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2026020419-CVE-2026-23074-6bb8@gregkh... Third Party Advisory
Published: 27 Feb 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026