VDB
RHSA-2025%3A4340
RHSA-2025%3A4340
PUBLISHED
CVSS 8 HIGH
Red Hat Security Advisory: kernel-rt security update
Risk Scores
CVSS 3.1
8
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-modules | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-devel | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-debug | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-debug-modules-core | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-debuginfo-common-x86_64 | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-kvm | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-debug-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-kvm | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-debug | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-debug-kvm | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-modules-core | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-debuginfo-common-x86_64 | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-debug-kvm | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-debug-modules-core | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-modules-extra | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-modules-extra | 0, 0 |
| Red Hat:rhel_eus:9.2::nfv | kernel-rt-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-debug-core | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt | 0, 0 |
| Red Hat:rhel_eus:9.2::realtime | kernel-rt-debuginfo | 0, 0 |
…and 14 more
Timeline
- Apr 30, 2025 CVE Published
- Mar 18, 2026 CVE Updated
- May 1, 2026 Distribution Patch
- May 1, 2026 Distribution Patch
- May 1, 2026 Security Advisory
- May 1, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2025:4340 advisory
- https://access.redhat.com/security/updates/classification/#important article
- https://bugzilla.redhat.com/show_bug.cgi?id=2356593 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_4340.json advisory
- https://access.redhat.com/security/cve/CVE-2025-21927 report
- https://www.cve.org/CVERecord?id=CVE-2025-21927 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-21927 advisory
- https://lore.kernel.org/linux-cve-announce/2025040133-CVE-2025-21927-36d6@gregkh/T article