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8.8
Red Hat Linux Kernel Security Update Exposes System to Privilege Escalation
published 5 months ago
Summary
A security update for the Red Hat Linux kernel is available to fix a vulnerability that could allow an attacker to gain elevated privileges on a system. This update is important for all Red Hat Linux users to install to prevent potential security risks. Users should update their kernel as soon as possible to ensure their system remains secure.
What to do
- Update redhat bpftool to version 0:4.18.0-477.145.1.el8_8.
- Update redhat bpftool-debuginfo to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-abi-stablelists to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-core to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debug to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debug-core to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debug-debuginfo to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debug-devel to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debug-modules to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debug-modules-extra to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debuginfo to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debuginfo-common-ppc64le to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-debuginfo-common-x86_64 to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-devel to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-doc to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-modules to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-modules-extra to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-tools to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-tools-debuginfo to version 0:4.18.0-477.145.1.el8_8.
- Update redhat kernel-tools-libs to version 0:4.18.0-477.145.1.el8_8.
- Update redhat perf to version 0:4.18.0-477.145.1.el8_8.
- Update redhat perf-debuginfo to version 0:4.18.0-477.145.1.el8_8.
- Update redhat python3-perf to version 0:4.18.0-477.145.1.el8_8.
- Update redhat python3-perf-debuginfo to version 0:4.18.0-477.145.1.el8_8.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Red Hat:rhel_e4s:8.8::baseos | redhat | bpftool |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | bpftool-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-abi-stablelists |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-core |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debug |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debug-core |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debug-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debug-devel |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debug-modules |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debug-modules-extra |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debuginfo-common-ppc64le |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-debuginfo-common-x86_64 |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-devel |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-doc |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-modules |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-modules-extra |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-tools |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-tools-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | kernel-tools-libs |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | perf |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | perf-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | python3-perf |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_e4s:8.8::baseos | redhat | python3-perf-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | bpftool |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | bpftool-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-abi-stablelists |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-core |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debug |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debug-core |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debug-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debug-devel |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debug-modules |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debug-modules-extra |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-debuginfo-common-x86_64 |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-devel |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-doc |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-modules |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-modules-extra |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-tools |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-tools-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | kernel-tools-libs |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | perf |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | perf-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | python3-perf |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
| Red Hat:rhel_tus:8.8::baseos | redhat | python3-perf-debuginfo |
< 0:4.18.0-477.145.1.el8_8 Fix: upgrade to 0:4.18.0-477.145.1.el8_8
|
Original advisory text
Red Hat Security Advisory: kernel security update
References
- https://access.redhat.com/errata/RHSA-2026:22964 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2301637 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2414506 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2414521 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2414523 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2440630 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2464351 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2464397 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_22964.... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2024-41073 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2024-41073 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2024-41073 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2024072909-CVE-2024-41073-1fb9@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-40135 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-40135 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40135 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025111255-CVE-2025-40135-67ca@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-40158 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-40158 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40158 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025111258-CVE-2025-40158-4c9d@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-40170 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-40170 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40170 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025111259-CVE-2025-40170-d39d@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-23216 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-23216 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-23216 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2026021800-CVE-2026-23216-6c63@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-43037 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-43037 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-43037 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2026050102-CVE-2026-43037-0346@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-43038 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-43038 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-43038 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2026050103-CVE-2026-43038-b591@gregkh... Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Severity
8.8
High
Timeline
Published5 Jun 2026
Updated13 Jun 2026
First seen5 Jun 2026
Sources
RHSA-2026:22964 · OSV
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