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7.5
Red Hat Kernel Update Exposes Systems to Privilege Escalation
RHSA-2026:3634
Summary
A security update for the Red Hat kernel has been released to fix a vulnerability that could allow an attacker to gain elevated privileges on a system. This update affects Red Hat Enterprise Linux users and is recommended to be installed to prevent potential security risks. Systems should be updated as soon as possible to ensure the latest security patches are applied.
What to do
- Update redhat kernel-rt to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-debug to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-debug-debuginfo to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-debug-devel to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-debuginfo to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-debuginfo-common-x86_64 to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-devel to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-doc to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-trace to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-trace-debuginfo to version 0:3.10.0-1160.147.1.rt56.1299.el7.
- Update redhat kernel-rt-trace-devel to version 0:3.10.0-1160.147.1.rt56.1299.el7.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| redhat | kernel-rt | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-debug | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-debug-debuginfo | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-debug-devel | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-debuginfo | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-debuginfo-common-x86_64 | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-devel | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-doc | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-trace | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-trace-debuginfo | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
| redhat | kernel-rt-trace-devel | <= 0:3.10.0-1160.147.1.rt56.1299.el7 | 0:3.10.0-1160.147.1.rt56.1299.el7 |
Original title
Red Hat Security Advisory: kernel-rt security update
osv CVSS3.1
7.5
- https://access.redhat.com/errata/RHSA-2026:3634 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=2395805 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2404121 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2419837 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=2436791 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3634.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-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-2025-39817 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-39817 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-39817 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025091615-CVE-2025-39817-90b7@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-39993 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-39993 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-39993 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025101527-CVE-2025-39993-caef@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: 3 Mar 2026 · Updated: 13 Mar 2026 · First seen: 10 Mar 2026