[ubuntu/questing-security] linux-gcp 6.17.0-1006.6 (Accepted)

[Andy Whitcroft]

linux-gcp (6.17.0-1006.6) questing; urgency=medium

  * questing/linux-gcp: 6.17.0-1006.6 -proposed tracker (LP: #2138106)

  * Fix for attestation failure due to vTPM device error (LP: #2133834)
    - x86/kvm: Override default caching mode for SEV-SNP and TDX
    - x86/mtrr: Rename mtrr_overwrite_state() to guest_force_mtrr_state()
    - x86/kvm: Make kvm_async_pf_task_wake() a local static helper
    - x86/kvm: Force legacy PCI hole to UC when overriding MTRRs for TDX/SNP
    - x86/kvm: Prefer native qspinlock for dedicated vCPUs irrespective of
      PV_UNHALT

  [ Ubuntu: 6.17.0-12.12 ]

  * questing/linux: 6.17.0-12.12 -proposed tracker (LP: #2138115)
  * CVE-2025-40019
    - crypto: essiv - Check ssize for decryption and in-place encryption
  * CVE-2025-40214
    - af_unix: Initialise scc_index in unix_add_edge().

Date: 2026-01-14 21:23:13.862381+00:00
Changed-By: Ian Whitfield <ian.whitfield at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux-gcp/6.17.0-1006.6
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