[ubuntu/focal-security] amd64-microcode 3.20191218.1ubuntu1.3 (Accepted)

[Alex Murray]

amd64-microcode (3.20191218.1ubuntu1.3) focal-security; urgency=medium

  * SECURITY UPDATE: arbitrary code execution via improper MSR access
    - amd-ucode/microcode_amd_fam{17,19}h.bin{,.asc}: add updated AMD
      fam17h and fam19h CPU microcodes
    - Updated microcodes:
      Family=0x17 Model=0x01 Stepping=0x02: Patch=0x0800126f Length=3200 bytes
      Family=0x17 Model=0x31 Stepping=0x00: Patch=0x0830107c Length=3200 bytes
      Family=0x19 Model=0x01 Stepping=0x00: Patch=0x0a00107a Length=5568 bytes
      Family=0x19 Model=0x01 Stepping=0x01: Patch=0x0a0011d5 Length=5568 bytes
      Family=0x19 Model=0x01 Stepping=0x02: Patch=0x0a001238 Length=5568 bytes
      Family=0x19 Model=0x11 Stepping=0x01: Patch=0x0a101148 Length=5568 bytes
      Family=0x19 Model=0x11 Stepping=0x02: Patch=0x0a101248 Length=5568 bytes
      Family=0x19 Model=0xa0 Stepping=0x02: Patch=0x0aa00215 Length=5568 bytes
    - CVE-2023-31315

Date: 2024-10-17 02:24:25.590784+00:00
Changed-By: Alex Murray <alex.murray at canonical.com>
https://launchpad.net/ubuntu/+source/amd64-microcode/3.20191218.1ubuntu1.3
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