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Oracle Linux 8 ELSA-2022-9486 Critical: Kernel Speculation Fixes

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network: . Oracle Linux Security Advisory ELSA-2022-9486 https://linux.oracle.com/errata/ELSA-2022-9486.html The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network: x86_64: kernel-uek-container-5.4.17-2136.308.9.el8.x86_64.rpm kernel-uek-container-debug-5.4.17-2136.308.9.el8.x86_64.rpm SRPMS: https://oss.oracle.com:443/ol8/SRPMS-updates/kernel-uek-container-5.4.17-2136.308.9.el8.src.rpm Related CVEs: CVE-2022-21123 CVE-2022-21125 CVE-2022-21127 CVE-2022-21166 Description of changes: [5.4.17-2136.308.9.el8] - x86/speculation/mmio: Fix late microcode loading (Patrick Colp) [Orabug: 34276099] [5.4.17-2136.308.8.el8] - Add debugfs for controlling MMIO state data (Kanth Ghatraju) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - KVM: x86/speculation: Disable Fill buffer clear within guests (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/speculation/mmio: Reuse SRBDS mitigation for SBDS (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/speculation/srbds: Update SRBDS mitigation selection (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/speculation/mmio: Enable CPU Fill buffer clearing on idle (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123}{CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/speculation: Add a common function for MD_CLEAR mitigation update (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} - Documentation: Add documentation for Processor MMIO Stale Data (Pawan Gupta) [Orabug: 34202259] {CVE-2022-21123} {CVE-2022-21125} {CVE-2022-21127} {CVE-2022-21166} _______________________________________________ El-errata mailing list This email address is being protected from spambots. You need JavaScript enabled to view it. https://oss.oracle.com/mailman/listinfo/el-errata . The latest Oracle Linux 8 kernel upgrade provides essential security enhancements and improves defenses against vulnerabilities for all users.. Oracle Linux ELSA-2022-9486, Kernel Security Update, Important Security Patch. . Severity: Critical. LinuxSecurity.com Team

Jun 15, 2022 •Critical Oracle