RHSA-2026:25120
Advisory lineage Upstream: 13 Downstream: 0
Published: 11 Jun 2026, 10:09
Last modified:15 Jun 2026, 10:05
Vulnerability Summary
Overall Risk (default)
medium
35/100 CVSS Score
8.8 HIGH
3.1 (osv_red_hat)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
11 Jun 2026, 10:09
Published
Vulnerability first disclosed
15 Jun 2026, 10:05
Last Modified
Vulnerability information updated
Description
Red Hat Security Advisory: kernel-rt security update
CVSS Metrics
- v3.1•HIGH•Score: 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- redhat•kernel-rt
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-core
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debug
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debug-core
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debug-debuginfo
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debug-devel
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debug-kvm
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debug-modules
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debug-modules-extra
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debuginfo
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-debuginfo-common-x86_64
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-devel
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-kvm
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-modules
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
- redhat•kernel-rt-modules-extra
< 0:4.18.0-553.132.1.rt7.473.el8_10 | < 0:4.18.0-553.132.1.rt7.473.el8_10
References (68)
- https://access.redhat.com/errata/RHSA-2026:25120
- https://access.redhat.com/security/updates/classification/#critical
- https://bugzilla.redhat.com/show_bug.cgi?id=2351619
- https://bugzilla.redhat.com/show_bug.cgi?id=2420279
- https://bugzilla.redhat.com/show_bug.cgi?id=2424881
- https://bugzilla.redhat.com/show_bug.cgi?id=2432389
- https://bugzilla.redhat.com/show_bug.cgi?id=2432400
- https://bugzilla.redhat.com/show_bug.cgi?id=2451218
- https://bugzilla.redhat.com/show_bug.cgi?id=2461471
- https://bugzilla.redhat.com/show_bug.cgi?id=2461480
- https://bugzilla.redhat.com/show_bug.cgi?id=2464351
- https://bugzilla.redhat.com/show_bug.cgi?id=2464397
- https://bugzilla.redhat.com/show_bug.cgi?id=2467234
- https://bugzilla.redhat.com/show_bug.cgi?id=2482166
- https://bugzilla.redhat.com/show_bug.cgi?id=2482532
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_25120.json
- https://access.redhat.com/security/cve/CVE-2023-53781
- https://www.cve.org/CVERecord?id=CVE-2023-53781
- https://nvd.nist.gov/vuln/detail/CVE-2023-53781
- https://lore.kernel.org/linux-cve-announce/2025120939-CVE-2023-53781-cb1d@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-21858
- https://www.cve.org/CVERecord?id=CVE-2025-21858
- https://nvd.nist.gov/vuln/detail/CVE-2025-21858
- https://lore.kernel.org/linux-cve-announce/2025031215-CVE-2025-21858-3986@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-68366
- https://www.cve.org/CVERecord?id=CVE-2025-68366
- https://nvd.nist.gov/vuln/detail/CVE-2025-68366
- https://lore.kernel.org/linux-cve-announce/2025122459-CVE-2025-68366-b367@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-22984
- https://www.cve.org/CVERecord?id=CVE-2026-22984
- https://nvd.nist.gov/vuln/detail/CVE-2026-22984
- https://lore.kernel.org/linux-cve-announce/2026012349-CVE-2026-22984-001c@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-22990
- https://www.cve.org/CVERecord?id=CVE-2026-22990
- https://nvd.nist.gov/vuln/detail/CVE-2026-22990
- https://lore.kernel.org/linux-cve-announce/2026012351-CVE-2026-22990-a62e@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-23392
- https://www.cve.org/CVERecord?id=CVE-2026-23392
- https://nvd.nist.gov/vuln/detail/CVE-2026-23392
- https://lore.kernel.org/linux-cve-announce/2026032548-CVE-2026-23392-fd9d@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-31581
- https://www.cve.org/CVERecord?id=CVE-2026-31581
- https://nvd.nist.gov/vuln/detail/CVE-2026-31581
- https://lore.kernel.org/linux-cve-announce/2026042411-CVE-2026-31581-9bc2@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-31613
- https://www.cve.org/CVERecord?id=CVE-2026-31613
- https://nvd.nist.gov/vuln/detail/CVE-2026-31613
- https://lore.kernel.org/linux-cve-announce/2026042422-CVE-2026-31613-b061@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-43037
- https://www.cve.org/CVERecord?id=CVE-2026-43037
- https://nvd.nist.gov/vuln/detail/CVE-2026-43037
- https://lore.kernel.org/linux-cve-announce/2026050102-CVE-2026-43037-0346@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-43038
- https://www.cve.org/CVERecord?id=CVE-2026-43038
- https://nvd.nist.gov/vuln/detail/CVE-2026-43038
- https://lore.kernel.org/linux-cve-announce/2026050103-CVE-2026-43038-b591@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-43125
- https://www.cve.org/CVERecord?id=CVE-2026-43125
- https://nvd.nist.gov/vuln/detail/CVE-2026-43125
- https://lore.kernel.org/linux-cve-announce/2026050619-CVE-2026-43125-c9f9@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-45852
- https://www.cve.org/CVERecord?id=CVE-2026-45852
- https://nvd.nist.gov/vuln/detail/CVE-2026-45852
- https://lore.kernel.org/linux-cve-announce/2026052708-CVE-2026-45852-fcf9@gregkh/T
- https://access.redhat.com/security/cve/CVE-2026-46181
- https://www.cve.org/CVERecord?id=CVE-2026-46181
- https://nvd.nist.gov/vuln/detail/CVE-2026-46181
- https://lore.kernel.org/linux-cve-announce/2026052829-CVE-2026-46181-ecff@gregkh/T