CVE-2022-29277

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

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.06%
Vendor Advisory insyde.com Vendor Advisory insyde.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.insyde.com/security-pledge vendor advisory
https://www.insyde.com/security-pledge/SA-2022060 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-29277?
CVE-2022-29277 has been scored as a high severity vulnerability.
How to fix CVE-2022-29277?
To fix CVE-2022-29277, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-29277 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-29277 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.