[ubuntu/jammy-security] linux 5.15.0-161.171 (Accepted)

[Andy Whitcroft]

linux (5.15.0-161.171) jammy; urgency=medium

  * jammy/linux: 5.15.0-161.171 -proposed tracker (LP: #2127389)

  * VMSCAPE CVE-2025-40300 (LP: #2124105) // CVE-2025-40300
    - Documentation/hw-vuln: Add VMSCAPE documentation
    - x86/vmscape: Enumerate VMSCAPE bug
    - x86/vmscape: Add conditional IBPB mitigation
    - x86/vmscape: Enable the mitigation
    - x86/bugs: Move cpu_bugs_smt_update() down
    - x86/vmscape: Warn when STIBP is disabled with SMT
    - x86/vmscape: Add old Intel CPUs to affected list

  * VMSCAPE CVE-2025-40300 (LP: #2124105)
    - [Config] Enable MITIGATION_VMSCAPE config

Date: 2025-10-11 08:11:15.318332+00:00
Changed-By: Manuel Diewald <manuel.diewald at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux/5.15.0-161.171
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