RHSA-2026:0537
Advisory lineage Upstream: 13 Downstream: 0
Published: 14 Jan 2026, 10:39
Last modified:05 May 2026, 10:10
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.5 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
14 Jan 2026, 10:39
Published
Vulnerability first disclosed
05 May 2026, 10:10
Last Modified
Vulnerability information updated
Description
Red Hat Security Advisory: kernel-rt security update
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Systems
- redhat•kernel-rt
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-core
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debug
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debug-core
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debug-debuginfo
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debug-devel
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debug-kvm
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debug-modules
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debug-modules-extra
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debuginfo
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-debuginfo-common-x86_64
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-devel
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-kvm
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-modules
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
- redhat•kernel-rt-modules-extra
< 0:5.14.0-70.161.1.rt21.233.el9_0 | < 0:5.14.0-70.161.1.rt21.233.el9_0
References (68)
- https://access.redhat.com/errata/RHSA-2026:0537
- https://access.redhat.com/security/updates/classification/#important
- https://bugzilla.redhat.com/show_bug.cgi?id=2273082
- https://bugzilla.redhat.com/show_bug.cgi?id=2281745
- https://bugzilla.redhat.com/show_bug.cgi?id=2363300
- https://bugzilla.redhat.com/show_bug.cgi?id=2393172
- https://bugzilla.redhat.com/show_bug.cgi?id=2395792
- https://bugzilla.redhat.com/show_bug.cgi?id=2400629
- https://bugzilla.redhat.com/show_bug.cgi?id=2401545
- https://bugzilla.redhat.com/show_bug.cgi?id=2402213
- https://bugzilla.redhat.com/show_bug.cgi?id=2402293
- https://bugzilla.redhat.com/show_bug.cgi?id=2404100
- https://bugzilla.redhat.com/show_bug.cgi?id=2405713
- https://bugzilla.redhat.com/show_bug.cgi?id=2422788
- https://bugzilla.redhat.com/show_bug.cgi?id=2422801
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0537.json
- https://access.redhat.com/security/cve/CVE-2023-52638
- https://www.cve.org/CVERecord?id=CVE-2023-52638
- https://nvd.nist.gov/vuln/detail/CVE-2023-52638
- https://lore.kernel.org/linux-cve-announce/2024040334-CVE-2023-52638-26a6@gregkh/T
- https://access.redhat.com/security/cve/CVE-2023-53581
- https://www.cve.org/CVERecord?id=CVE-2023-53581
- https://nvd.nist.gov/vuln/detail/CVE-2023-53581
- https://lore.kernel.org/linux-cve-announce/2025100424-CVE-2023-53581-80fa@gregkh/T
- https://access.redhat.com/security/cve/CVE-2023-53675
- https://www.cve.org/CVERecord?id=CVE-2023-53675
- https://nvd.nist.gov/vuln/detail/CVE-2023-53675
- https://lore.kernel.org/linux-cve-announce/2025100707-CVE-2023-53675-e7ac@gregkh/T
- https://access.redhat.com/security/cve/CVE-2023-53680
- https://www.cve.org/CVERecord?id=CVE-2023-53680
- https://nvd.nist.gov/vuln/detail/CVE-2023-53680
- https://lore.kernel.org/linux-cve-announce/2025100708-CVE-2023-53680-501d@gregkh/T
- https://access.redhat.com/security/cve/CVE-2023-53705
- https://www.cve.org/CVERecord?id=CVE-2023-53705
- https://nvd.nist.gov/vuln/detail/CVE-2023-53705
- https://lore.kernel.org/linux-cve-announce/2025102212-CVE-2023-53705-38d9@gregkh/T
- https://access.redhat.com/security/cve/CVE-2024-35868
- https://www.cve.org/CVERecord?id=CVE-2024-35868
- https://nvd.nist.gov/vuln/detail/CVE-2024-35868
- https://lore.kernel.org/linux-cve-announce/2024051940-CVE-2024-35868-be7a@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-23142
- https://www.cve.org/CVERecord?id=CVE-2025-23142
- https://nvd.nist.gov/vuln/detail/CVE-2025-23142
- https://lore.kernel.org/linux-cve-announce/2025050124-CVE-2025-23142-ac59@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-38724
- https://www.cve.org/CVERecord?id=CVE-2025-38724
- https://nvd.nist.gov/vuln/detail/CVE-2025-38724
- https://lore.kernel.org/linux-cve-announce/2025090401-CVE-2025-38724-5309@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-39825
- https://www.cve.org/CVERecord?id=CVE-2025-39825
- https://nvd.nist.gov/vuln/detail/CVE-2025-39825
- https://lore.kernel.org/linux-cve-announce/2025091616-CVE-2025-39825-8a7a@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-39925
- https://www.cve.org/CVERecord?id=CVE-2025-39925
- https://nvd.nist.gov/vuln/detail/CVE-2025-39925
- https://lore.kernel.org/linux-cve-announce/2025100124-CVE-2025-39925-bcec@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-39982
- https://www.cve.org/CVERecord?id=CVE-2025-39982
- https://nvd.nist.gov/vuln/detail/CVE-2025-39982
- https://lore.kernel.org/linux-cve-announce/2025101559-CVE-2025-39982-a36e@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-68285
- https://www.cve.org/CVERecord?id=CVE-2025-68285
- https://nvd.nist.gov/vuln/detail/CVE-2025-68285
- https://lore.kernel.org/linux-cve-announce/2025121638-CVE-2025-68285-8339@gregkh/T
- https://access.redhat.com/security/cve/CVE-2025-68287
- https://www.cve.org/CVERecord?id=CVE-2025-68287
- https://nvd.nist.gov/vuln/detail/CVE-2025-68287
- https://lore.kernel.org/linux-cve-announce/2025121638-CVE-2025-68287-5647@gregkh/T