VDB
RHSA-2021%3A5241
RHSA-2021%3A5241
PUBLISHED
CVSS 5.5 MEDIUM
Red Hat Security Advisory: kernel-rt security and bug fix update
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:enterprise_linux:8::nfv | kernel-rt-debug-devel | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-debug-modules-extra | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-debug | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-debug-core | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-kvm | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-devel | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-kvm | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-debug-modules | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-debug | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-modules | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-debuginfo-common-x86_64 | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-debug-debuginfo | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-core | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-debuginfo | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-debug-kvm | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-debug-modules | 0, 0 |
| Red Hat:enterprise_linux:8::realtime | kernel-rt-debuginfo-common-x86_64 | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-debug-debuginfo | 0, 0 |
| Red Hat:enterprise_linux:8::nfv | kernel-rt-modules | 0, 0 |
…and 10 more
Timeline
- Dec 21, 2021 CVE Published
- Nov 21, 2025 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-2021:5241 advisory
- https://access.redhat.com/security/updates/classification/#moderate article
- https://bugzilla.redhat.com/show_bug.cgi?id=2013242 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_5241.json advisory
- https://access.redhat.com/security/cve/CVE-2021-20321 report
- https://www.cve.org/CVERecord?id=CVE-2021-20321 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-20321 advisory
- https://lore.kernel.org/all/20211011134508.748956131@linuxfoundation.org/ article