VDB
RHSA-2026%3A9643
RHSA-2026%3A9643
PUBLISHED
CVSS 7.5 HIGH
Red Hat Security Advisory: kernel 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_aus:8.4::baseos | kernel-tools-debuginfo | 0, 0 |
| Red Hat:rhel_aus:8.4::baseos | kernel-modules | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-debug | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-modules-extra | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-core | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-debuginfo-common-x86_64 | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | python3-perf-debuginfo | 0, 0 |
| Red Hat:rhel_aus:8.4::baseos | kernel-debug-devel | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-debug-devel | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | perf | 0, 0 |
| Red Hat:rhel_aus:8.4::baseos | kernel-abi-stablelists | 0, 0 |
| Red Hat:rhel_aus:8.4::baseos | kernel-debug | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | perf-debuginfo | 0, 0 |
| Red Hat:rhel_aus:8.4::baseos | kernel-debug-modules | 0, 0 |
| Red Hat:rhel_aus:8.4::baseos | kernel-core | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-abi-stablelists | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-debuginfo | 0, 0 |
| Red Hat:rhel_aus:8.4::baseos | perf | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-debug-modules | 0, 0 |
| Red Hat:rhel_eus_long_life:8.4::baseos | kernel-doc | 0, 0 |
…and 28 more
Timeline
- Apr 22, 2026 CVE Published
- Apr 27, 2026 Distribution Patch
- Apr 27, 2026 Distribution Patch
- Apr 27, 2026 Security Advisory
- Apr 27, 2026 Security Advisory
- Apr 27, 2026 Security Advisory
- Apr 27, 2026 Security Advisory
- Apr 27, 2026 Security Advisory
- Apr 28, 2026 CVE Updated
References
- https://access.redhat.com/errata/RHSA-2026:9643 advisory
- https://access.redhat.com/security/updates/classification/#moderate article
- https://bugzilla.redhat.com/show_bug.cgi?id=2406747 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2414482 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2439931 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2444376 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_9643.json advisory
- https://access.redhat.com/security/cve/CVE-2025-40064 report
- https://www.cve.org/CVERecord?id=CVE-2025-40064 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40064 advisory
- https://lore.kernel.org/linux-cve-announce/2025102817-CVE-2025-40064-0c16@gregkh/T article
- https://access.redhat.com/security/cve/CVE-2025-40168 report
- https://www.cve.org/CVERecord?id=CVE-2025-40168 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40168 advisory
- https://lore.kernel.org/linux-cve-announce/2025111256-CVE-2025-40168-bdd5@gregkh/T article
- https://access.redhat.com/security/cve/CVE-2026-23204 report
- https://www.cve.org/CVERecord?id=CVE-2026-23204 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-23204 advisory
- https://lore.kernel.org/linux-cve-announce/2026021437-CVE-2026-23204-be85@gregkh/T article
- https://access.redhat.com/security/cve/CVE-2026-23231 report
…and 3 more