CVE-2022-29277: Incorrect pointer checks within the the FwBlockServiceSmm driver can allow arbitrary RAM modifications During review of the FwBlockServiceSmm driver, certain…

PriorityP345high8.8CVSS 3.1

AVLACLPRLUINSCCHIHAH

EPSS

0.19%

9.3th percentile

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

Affected

41 ranges· showing 25

Vendor	Product	Version range	Fixed in
amd	genoa_firmware	< 05.52.25.0006	05.52.25.0006
amd	hygon_1_firmware	< 05.36.26.0016	05.36.26.0016
amd	hygon_2_firmware	< 05.36.26.0016	05.36.26.0016
amd	hygon_3_firmware	< 05.44.26.0007	05.44.26.0007
amd	milan_firmware	< 05.36.10.0017	05.36.10.0017
amd	milan_firmware	< 05.36.26.0016	05.36.26.0016
amd	rome_firmware	< 05.36.10.0017	05.36.10.0017
amd	rome_firmware	< 05.36.26.0016	05.36.26.0016
amd	ryzen_5300g_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5300ge_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5600g_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5600ge_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5600x_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5700g_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5700ge_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5800x3d_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5800x_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5900x_firmware	< 05.44.30.0004	05.44.30.0004
amd	ryzen_5950x_firmware	< 05.44.30.0004	05.44.30.0004
amd	snowy_owl_r1000_firmware	< 05.32.50.0018	05.32.50.0018
amd	snowy_owl_r2000_firmware	< 05.44.30.0005	05.44.30.0005
amd	snowy_owl_v2000_firmware	< 05.44.30.0007	05.44.30.0007
amd	snowy_owl_v3000_firmware	< 05.44.30.0007	05.44.30.0007
intel	alder_lake_firmware	< 05.44.23.0047	05.44.23.0047
intel	bakerville_firmware	< 05.21.51.0026	05.21.51.0026

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