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7.5
Red Hat Linux Kernel Security Update Exposes System to Privilege Escalation
RHSA-2026:3277
Summary
A security update for the Linux kernel has been released by Red Hat to address a vulnerability that could allow an attacker to gain elevated privileges on a system. This update is available for multiple Red Hat Linux distributions and should be installed as soon as possible to prevent potential security risks. Affected users should upgrade their kernel to the latest version to ensure the security of their system.
What to do
- Update redhat bpftool to version 0:4.18.0-477.130.1.el8_8.
- Update redhat bpftool-debuginfo to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-abi-stablelists to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-core to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debug to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debug-core to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debug-debuginfo to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debug-devel to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debug-modules to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debug-modules-extra to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debuginfo to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debuginfo-common-ppc64le to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-debuginfo-common-x86_64 to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-devel to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-doc to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-modules to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-modules-extra to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-tools to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-tools-debuginfo to version 0:4.18.0-477.130.1.el8_8.
- Update redhat kernel-tools-libs to version 0:4.18.0-477.130.1.el8_8.
- Update redhat perf to version 0:4.18.0-477.130.1.el8_8.
- Update redhat perf-debuginfo to version 0:4.18.0-477.130.1.el8_8.
- Update redhat python3-perf to version 0:4.18.0-477.130.1.el8_8.
- Update redhat python3-perf-debuginfo to version 0:4.18.0-477.130.1.el8_8.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | bpftool | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | bpftool-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-abi-stablelists | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-core | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-core | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-devel | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-modules | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-modules-extra | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debuginfo-common-ppc64le | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debuginfo-common-x86_64 | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-devel | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-doc | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-modules | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-modules-extra | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-tools | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-tools-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-tools-libs | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | perf | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | perf-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | python3-perf | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | python3-perf-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | bpftool | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | bpftool-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-abi-stablelists | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-core | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-core | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-devel | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-modules | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debug-modules-extra | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-debuginfo-common-x86_64 | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-devel | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-doc | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-modules | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-modules-extra | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-tools | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-tools-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | kernel-tools-libs | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | perf | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | perf-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | python3-perf | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
| redhat | python3-perf-debuginfo | <= 0:4.18.0-477.130.1.el8_8 | 0:4.18.0-477.130.1.el8_8 |
Original title
Red Hat Security Advisory: kernel security update
osv CVSS3.1
7.5
- https://access.redhat.com/errata/RHSA-2026:3277 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important 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=2401432 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=2420347 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2424880 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_3277.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2022-50673 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-50673 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2022-50673 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025120947-CVE-2022-50673-f920@gregkh... Third Party 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-2023-53821 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-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-2025-39933 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-39933 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-39933 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025100417-CVE-2025-39933-e224@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-2025-68349 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-68349 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-68349 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025122453-CVE-2025-68349-12d5@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: 26 Feb 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026