VDB
RHSA-2021:3255
RHSA-2021:3255
PUBLISHED
CVSS 8.800000190734863 HIGH
Red Hat Security Advisory: microcode_ctl security, bug fix and enhancement update
Risk Scores
CVSS 3.1
8.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_e4s:7.4::server | microcode_ctl | 0, 0 |
| Red Hat:rhel_tus:7.4::server | microcode_ctl-debuginfo | 0, 0 |
| Red Hat:rhel_aus:7.4::server | microcode_ctl | 0, 0 |
| Red Hat:rhel_tus:7.4::server | microcode_ctl | 0, 0 |
| Red Hat:rhel_e4s:7.4::server | microcode_ctl-debuginfo | 0, 0 |
| Red Hat:rhel_aus:7.4::server | microcode_ctl-debuginfo | 0, 0 |
Timeline
- Aug 24, 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
- 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-2021:3255 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1962722 report
- https://nvd.nist.gov/vuln/detail/CVE-2020-0543 advisory
- https://access.redhat.com/solutions/5142751 article
- https://software.intel.com/security-software-guidance/insights/deep-dive-special-register-buffer-data-sampling article
- https://access.redhat.com/security/cve/CVE-2020-0548 report
- https://nvd.nist.gov/vuln/detail/CVE-2020-0548 advisory
- https://blogs.intel.com/technology/2020/01/ipas-intel-sa-00329/ article
- https://software.intel.com/security-software-guidance/software-guidance/l1d-eviction-sampling article
- https://access.redhat.com/security/cve/CVE-2020-0549 report
- https://www.cve.org/CVERecord?id=CVE-2020-0549 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-0549 advisory
- https://access.redhat.com/security/cve/CVE-2020-8695 report
- https://nvd.nist.gov/vuln/detail/CVE-2020-8695 advisory
- https://www.cve.org/CVERecord?id=CVE-2020-8696 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-8698 advisory
- https://access.redhat.com/security/cve/CVE-2020-24489 report
- https://access.redhat.com/security/cve/CVE-2020-24511 report
- https://access.redhat.com/security/cve/CVE-2020-24512 report
- https://www.cve.org/CVERecord?id=CVE-2020-24512 advisory
…and 33 more