VDB
RHSA-2026%3A0537
RHSA-2026%3A0537
PUBLISHED
CVSS 7.5 HIGH
Red Hat Security Advisory: kernel-rt security update
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-debug-devel | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-devel | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-debug-debuginfo | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-debug-kvm | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-debug-core | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-debug-modules-extra | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-debug-debuginfo | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-core | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-modules | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-debuginfo | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-core | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-modules | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-debug-modules | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-kvm | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-debug-devel | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-debug-core | 0, 0 |
| Red Hat:rhel_e4s:9.0::realtime | kernel-rt-debuginfo | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-kvm | 0, 0 |
| Red Hat:rhel_e4s:9.0::nfv | kernel-rt-debuginfo-common-x86_64 | 0, 0 |
…and 10 more
Timeline
- Jan 14, 2026 CVE Published
- May 1, 2026 Distribution Patch
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2026:0537 advisory
- https://access.redhat.com/security/updates/classification/#important article
- https://bugzilla.redhat.com/show_bug.cgi?id=2273082 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2281745 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2363300 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2393172 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2395792 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2400629 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2401545 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2402213 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2402293 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2404100 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2405713 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2422788 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2422801 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0537.json advisory
- https://access.redhat.com/security/cve/CVE-2023-52638 report
- https://www.cve.org/CVERecord?id=CVE-2023-52638 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-52638 advisory
- https://lore.kernel.org/linux-cve-announce/2024040334-CVE-2023-52638-26a6@gregkh/T article
…and 48 more