CVE-2022-29277 json
Incorrect pointer checks within the the FwBlockServiceSmm driver can allow arbitrary RAM modifications During review of the FwBlockServiceS…
published 2022-11-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-33620
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
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
Patch / fix
- amd genoa_firmware 05.52.25.0006
- amd hygon_1_firmware 05.36.26.0016
- amd hygon_2_firmware 05.36.26.0016
- amd hygon_3_firmware 05.44.26.0007
- amd milan_firmware 05.36.10.0017, 05.36.26.0016
- amd rome_firmware 05.36.10.0017, 05.36.26.0016
- amd ryzen_5300g_firmware 05.44.30.0004
- amd ryzen_5300ge_firmware 05.44.30.0004
- amd ryzen_5600g_firmware 05.44.30.0004
- amd ryzen_5600ge_firmware 05.44.30.0004
- amd ryzen_5600x_firmware 05.44.30.0004
- amd ryzen_5700g_firmware 05.44.30.0004
- amd ryzen_5700ge_firmware 05.44.30.0004
- amd ryzen_5800x_firmware 05.44.30.0004
- amd ryzen_5800x3d_firmware 05.44.30.0004
- amd ryzen_5900x_firmware 05.44.30.0004
- amd ryzen_5950x_firmware 05.44.30.0004
- amd snowy_owl_r1000_firmware 05.32.50.0018
- amd snowy_owl_r2000_firmware 05.44.30.0005
- amd snowy_owl_v2000_firmware 05.44.30.0007
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 18 mo ago
Exploit prediction
0.20% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
insyde.com
/security-pledge
vendor-advisory
-
insyde.com
/security-pledge/SA-2022060
vendor-advisory
Sources
- CVE List CVE-2022-29277
- NVD CVE-2022-29277
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.