CVE-2022-29277
8.8 · HIGHOverview
CVE-2022-29277 is a high-severity vulnerability affecting amd genoa_firmware. It was published on November 15, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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 Embedd
Remediation
Check the references section for vendor advisories and patches from amd. Update genoa_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| amd | genoa_firmware | >= 0, < 05.52.25.0006 | Affected |
| amd | hygon_1_firmware | >= 0, < 05.36.26.0016 | Affected |
| amd | hygon_2_firmware | >= 0, < 05.36.26.0016 | Affected |
| amd | hygon_3_firmware | >= 0, < 05.44.26.0007 | Affected |
| amd | milan_firmware | >= 0, < 05.36.10.0017 | Affected |
| amd | rome_firmware | >= 0, < 05.36.10.0017 | Affected |
| amd | ryzen_5300g_firmware | >= 0, < 05.44.30.0004 | Affected |
| amd | ryzen_5300ge_firmware | >= 0, < 05.44.30.0004 | Affected |
| amd | ryzen_5600g_firmware | >= 0, < 05.44.30.0004 | Affected |
| amd | ryzen_5600ge_firmware | >= 0, < 05.44.30.0004 | Affected |
Frequently Asked Questions
What is CVE-2022-29277?
CVE-2022-29277 is a high-severity vulnerability affecting amd genoa_firmware. It was published on November 15, 2022 and has a CVSS 3.1 base score of 8.8 (HIGH).
How severe is CVE-2022-29277?
This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-29277?
Check the references section for vendor advisories and patches from amd. Update genoa_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-29277?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-29277 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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Browser-based exploitation validates findings with real proof-of-concept.
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