Red Hat Linux Kernel Security Update: Privilege Escalation Risk

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7.8

Red Hat Linux Kernel Security Update: Privilege Escalation Risk

RHSA-2026:3360

Summary

A security update is available for the Red Hat Linux kernel. This update fixes a vulnerability that could allow an attacker to gain elevated privileges on the system. If you are using the Red Hat Linux kernel, you should update to the latest version to ensure your system remains secure.

What to do

Update redhat bpftool to version 0:4.18.0-305.186.1.el8_4.
Update redhat bpftool-debuginfo to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-abi-stablelists to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-core to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debug to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debug-core to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debug-debuginfo to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debug-devel to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debug-modules to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debug-modules-extra to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debuginfo to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-debuginfo-common-x86_64 to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-devel to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-doc to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-modules to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-modules-extra to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-tools to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-tools-debuginfo to version 0:4.18.0-305.186.1.el8_4.
Update redhat kernel-tools-libs to version 0:4.18.0-305.186.1.el8_4.
Update redhat perf to version 0:4.18.0-305.186.1.el8_4.
Update redhat perf-debuginfo to version 0:4.18.0-305.186.1.el8_4.
Update redhat python3-perf to version 0:4.18.0-305.186.1.el8_4.
Update redhat python3-perf-debuginfo to version 0:4.18.0-305.186.1.el8_4.

Affected software

Vendor	Product	Affected versions	Fix available
redhat	bpftool	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	bpftool-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-abi-stablelists	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-core	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-core	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-devel	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-modules	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-modules-extra	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debuginfo-common-x86_64	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-devel	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-doc	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-modules	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-modules-extra	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-tools	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-tools-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-tools-libs	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	perf	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	perf-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	python3-perf	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	python3-perf-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	bpftool	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	bpftool-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-abi-stablelists	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-core	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-core	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-devel	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-modules	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debug-modules-extra	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-debuginfo-common-x86_64	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-devel	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-doc	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-modules	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-modules-extra	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-tools	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-tools-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	kernel-tools-libs	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	perf	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	perf-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	python3-perf	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4
redhat	python3-perf-debuginfo	<= 0:4.18.0-305.186.1.el8_4	0:4.18.0-305.186.1.el8_4

Original title

Red Hat Security Advisory: kernel security update

osv CVSS3.1 7.8

https://access.redhat.com/errata/RHSA-2026:3360 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=2401432 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2401510 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2401545 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2402193 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2419837 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2419870 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2419902 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=2420366 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2420376 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_3360.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-2023-53539 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-53539 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-53539 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025100443-CVE-2023-53539-4411@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-53581 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-53581 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-53581 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025100424-CVE-2023-53581-80fa@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-53673 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-53673 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-53673 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025100706-CVE-2023-53673-36b9@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-2023-53833 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-53833 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-53833 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025120954-CVE-2023-53833-09d9@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-2025-39933 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-2025-40304 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-40304 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-40304 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025120820-CVE-2025-40304-47b3@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-40322 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-40322 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-40322 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025120823-CVE-2025-40322-6355@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