CVE-2022-29277

Published Nov 15, 2022 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Incorrect pointer checks within the the FwBlockServiceSmm driver can allow arbitrary RAM modifications During review of the FwBlockServiceSmm driver, certain instances of SpiAccessLib could be tricked into writing 0xff to arbitrary system and SMRAM addresses. Fixed in: INTEL Purley-R: 05.21.51.0048 Whitley: 05.42.23.0066 Cedar Island: 05.42.11.0021 Eagle Stream: 05.44.25.0052 Greenlow/Greenlow-R(skylake/kabylake): Trunk Mehlow/Mehlow-R (CoffeeLake-S): Trunk Tatlow (RKL-S): Trunk Denverton: 05.10.12.0042 Snow Ridge: Trunk Graneville DE: 05.05.15.0038 Grangeville DE NS: 05.27.26.0023 Bakerville: 05.21.51.0026 Idaville: 05.44.27.0030 Whiskey Lake: Trunk Comet Lake-S: Trunk Tiger Lake H/UP3: 05.43.12.0052 Alder Lake: 05.44.23.0047 Gemini Lake: Not Affected Apollo Lake: Not Affected Elkhart Lake: 05.44.30.0018 AMD ROME: trunk MILAN: 05.36.10.0017 GENOA: 05.52.25.0006 Snowy Owl: Trunk R1000: 05.32.50.0018 R2000: 05.44.30.0005 V2000: Trunk V3000: 05.44.30.0007 Ryzen 5000: 05.44.30.0004 Embedded ROME: Trunk Embedded MILAN: Trunk Hygon Hygon #1/#2: 05.36.26.0016 Hygon #3: 05.44.26.0007 https://www.insyde.com/security-pledge/SA-2022060

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-33620 Incorrect pointer checks within the the FwBlockServiceSmm driver can allow arbitrary RAM modifications During review of the FwBlockServiceSmm driver, certain instances of SpiAccessLib could be tricked into writing 0xff to arbitrary system and SMRAM addresses. Fixed in: INTEL Purley-R: 05.21.51.0048 Whitley: 05.42.23.0066 Cedar Island: 05.42.11.0021 Eagle Stream: 05.44.25.0052 Greenlow/Greenlow-R(skylake/kabylake): Trunk Mehlow/Mehlow-R (CoffeeLake-S): Trunk Tatlow (RKL-S): Trunk Denverton: 05.10.12.0042 Snow Ridge: Trunk Graneville DE: 05.05.15.0038 Grangeville DE NS: 05.27.26.0023 Bakerville: 05.21.51.0026 Idaville: 05.44.27.0030 Whiskey Lake: Trunk Comet Lake-S: Trunk Tiger Lake H/UP3: 05.43.12.0052 Alder Lake: 05.44.23.0047 Gemini Lake: Not Affected Apollo Lake: Not Affected Elkhart Lake: 05.44.30.0018 AMD ROME: trunk MILAN: 05.36.10.0017 GENOA: 05.52.25.0006 Snowy Owl: Trunk R1000: 05.32.50.0018 R2000: 05.44.30.0005 V2000: Trunk V3000: 05.44.30.0007 Ryzen 5000: 05.44.30.0004 Embedded ROME: Trunk Embedded MILAN: Trunk Hygon Hygon #1/#2: 05.36.26.0016 Hygon #3: 05.44.26.0007 https://www.insyde.com/security-pledge/SA-2022060
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Amd Genoa Genoa Firmware Hygon 1 Hygon 1 Firmware Hygon 2 Hygon 2 Firmware Hygon 3 Hygon 3 Firmware Milan Milan Firmware Rome Rome Firmware Ryzen 5300g Ryzen 5300g Firmware Ryzen 5300ge Ryzen 5300ge Firmware Ryzen 5600g Ryzen 5600g Firmware Ryzen 5600ge Ryzen 5600ge Firmware Ryzen 5600x Ryzen 5600x Firmware Ryzen 5700g Ryzen 5700g Firmware Ryzen 5700ge Ryzen 5700ge Firmware Ryzen 5800x Ryzen 5800x3d Ryzen 5800x3d Firmware Ryzen 5800x Firmware Ryzen 5900x Ryzen 5900x Firmware Ryzen 5950x Ryzen 5950x Firmware Snowy Owl R1000 Snowy Owl R1000 Firmware Snowy Owl R2000 Snowy Owl R2000 Firmware Snowy Owl V2000 Snowy Owl V2000 Firmware Snowy Owl V3000 Snowy Owl V3000 Firmware
Intel Alder Lake Alder Lake Firmware Bakerville Bakerville Firmware Cedar Island Cedar Island Firmware Comet Lake-s Comet Lake-s Firmware Denverton Denverton Firmware Eagle Stream Eagle Stream Firmware Grangeville De Ns Grangeville De Ns Firmware Granville De Granville De Firmware Greenlow Greenlow-r Greenlow-r Firmware Greenlow Firmware Idaville Idaville Firmware Mehlow Mehlow-r Mehlow-r Firmware Mehlow Firmware Purley-r Purley-r Firmware Tatlow Tatlow Firmware Tiger Lake H\/up3 Tiger Lake H\/up3 Firmware Whiskey Lake Whiskey Lake Firmware Whitley Whitley Firmware
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Apr 30, 2025, 2:56 PM
Reserved
Apr 15, 2022, 12:00 AM
Status
Modified
Published
Nov 15, 2022, 10:15 PM
Modified
Jun 17, 2026, 4:39 AM