VDB
RHSA-2025%3A9492
RHSA-2025%3A9492
PUBLISHED
CVSS 7 HIGH
Record from OSV · Published June 24, 2025
Red Hat Security Advisory: kernel-rt security update
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| kernel-rt-debug-kvm | Red Hat:rhel_e4s:9.2::nfv | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-kvm | Red Hat:rhel_e4s:9.2::nfv | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-devel | Red Hat:rhel_e4s:9.2::nfv | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-debug-modules-extra | Red Hat:rhel_e4s:9.2::nfv | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-debug-devel | Red Hat:rhel_e4s:9.2::realtime | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-modules-extra | Red Hat:rhel_e4s:9.2::realtime | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-debuginfo-common-x86_64 | Red Hat:rhel_e4s:9.2::realtime | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-debug-devel | Red Hat:rhel_e4s:9.2::nfv | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-kvm | Red Hat:rhel_e4s:9.2::realtime | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-debug-kvm | Red Hat:rhel_e4s:9.2::realtime | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt-debug-modules | Red Hat:rhel_e4s:9.2::nfv | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
| kernel-rt | Red Hat:rhel_e4s:9.2::realtime | 5.14.0-284.121.1.rt14.406.el9, 0:5.14.0-284.121.1.rt14.406.el9_2 |
22 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-debug-kvm | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-kvm | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-devel | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-debug-modules-extra | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-debug-devel | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-modules-extra | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-debuginfo-common-x86_64 | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-debug-devel | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-kvm | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-debug-kvm | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-debug-modules | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-modules | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-core | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-debug-modules-core | 0, 0 |
| Red Hat:rhel_e4s:9.2::realtime | kernel-rt-debug-core | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-debug | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-debug-modules-core | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt | 0, 0 |
| Red Hat:rhel_e4s:9.2::nfv | kernel-rt-debug-core | 0, 0 |
…and 14 more
Timeline
- Jun 24, 2025 CVE Published
- Mar 18, 2026 CVE Updated
- May 19, 2026 Distribution Patch (2 in total, the first dated here)
- May 19, 2026 Security Advisory (2 in total, the first dated here)
Query this with the API
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vulnetix vdb vuln RHSA-2025%3A9492
vulnetix vdb fixes RHSA-2025%3A9492
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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/RHSA-2025%253A9492/fixes/registry"
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References
- https://access.redhat.com/security/updates/classification/#moderate article
- https://www.cve.org/CVERecord?id=CVE-2025-21764 advisory
- https://access.redhat.com/errata/RHSA-2025:9492 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2348575 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_9492.json advisory
- https://access.redhat.com/security/cve/CVE-2025-21764 report
- https://nvd.nist.gov/vuln/detail/CVE-2025-21764 advisory
- https://lore.kernel.org/linux-cve-announce/2025022605-CVE-2025-21764-1061@gregkh/T article