HIGH · 8.8

CVE-2022-29277

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...

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

CVSS Score

8.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AmdGenoa Firmware< 05.52.25.0006
AmdGenoa-
AmdHygon 1 Firmware< 05.36.26.0016
AmdHygon 1-
AmdHygon 2 Firmware< 05.36.26.0016
AmdHygon 2-
AmdHygon 3 Firmware< 05.44.26.0007
AmdHygon 3-
AmdMilan Firmware< 05.36.10.0017
AmdMilan-
AmdRome Firmware< 05.36.10.0017
AmdRome-
AmdRyzen 5300G Firmware< 05.44.30.0004
AmdRyzen 5300G-
AmdRyzen 5300Ge Firmware< 05.44.30.0004
AmdRyzen 5300Ge-
AmdRyzen 5600G Firmware< 05.44.30.0004
AmdRyzen 5600G-
AmdRyzen 5600Ge Firmware< 05.44.30.0004
AmdRyzen 5600Ge-

Related Weaknesses (CWE)

References

FAQ

What is CVE-2022-29277?

CVE-2022-29277 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...

How severe is CVE-2022-29277?

CVE-2022-29277 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-29277?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Genoa Firmware, Amd Genoa, Amd Hygon 1 Firmware, Amd Hygon 1, Amd Hygon 2 Firmware.