[ubuntu/focal-updates] linux-hwe-5.13 5.13.0-51.58~20.04.1 (Accepted)

[Andy Whitcroft]

linux-hwe-5.13 (5.13.0-51.58~20.04.1) focal; urgency=medium

  [ Ubuntu: 5.13.0-51.58 ]

  * CVE-2022-21123 // CVE-2022-21125 // CVE-2022-21166
    - Documentation: Add documentation for Processor MMIO Stale Data
    - x86/speculation/mmio: Enumerate Processor MMIO Stale Data bug
    - x86/speculation: Add a common function for MD_CLEAR mitigation update
    - x86/speculation/mmio: Add mitigation for Processor MMIO Stale Data
    - x86/bugs: Group MDS, TAA & Processor MMIO Stale Data mitigations
    - x86/speculation/mmio: Enable CPU Fill buffer clearing on idle
    - x86/speculation/mmio: Add sysfs reporting for Processor MMIO Stale Data
    - x86/speculation/srbds: Update SRBDS mitigation selection
    - x86/speculation/mmio: Reuse SRBDS mitigation for SBDS
    - KVM: x86/speculation: Disable Fill buffer clear within guests
    - x86/speculation/mmio: Print SMT warning

Date: 2022-06-13 19:44:10.523250+00:00
Changed-By: Thadeu Lima de Souza Cascardo <thadeu.cascardo at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux-hwe-5.13/5.13.0-51.58~20.04.1
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