CVE-2022-29277 - CVE House
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Status published Unknown CVE-2022-29277

Incorrect pointer checks within the the FwBlockServiceSmm driver can allow...

Vulnerability 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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

genoa firmware, hygon 1 firmware, hygon 2 firmware, hygon 3 firmware, milan firmware, rome firmware, ryzen 5300g firmware, ryzen 5300ge firmware, ryzen 5600g firmware, ryzen 5600ge firmware, ryzen 5600x firmware, ryzen 5700g firmware, ryzen 5700ge firmware, ryzen 5800x firmware, ryzen 5800x3d firmware, ryzen 5900x firmware, ryzen 5950x firmware, snowy owl r1000 firmware, snowy owl r2000 firmware, snowy owl v2000 firmware, snowy owl v3000 firmware, alder lake firmware, bakerville firmware, cedar island firmware, idaville firmware, comet lake-s firmware, tiger lake h\/up3 firmware, whiskey lake firmware, denverton firmware, eagle stream firmware, grangeville de ns firmware, granville de firmware, greenlow firmware, greenlow-r firmware, mehlow firmware, mehlow-r firmware, tatlow firmware, purley-r firmware, whitley firmware
Vulnerable Versions:
0

Timeline

Official Publish: November 15th, 2022
Last Modified: April 30th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.