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CVE-2020-27339 In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and…

Description

In the kernel in Insyde InsydeH2O 5.x, certain SMM drivers did not correctly validate the CommBuffer and CommBufferSize parameters, allowing callers to corrupt either the firmware or the OS memory. The fixed versions for this issue in the AhciBusDxe, IdeBusDxe, NvmExpressDxe, SdHostDriverDxe, and SdMmcDeviceDxe drivers are 05.16.25, 05.26.25, 05.35.25, 05.43.25, and 05.51.25 (for Kernel 5.1 through 5.5).

Affected products and versions

Product Affected versions Fixed in
n/a Versions not published
RUGGEDCOM APE1808 - BIOS 1.0 earliest → < 1.0.202N 1.0.202N
SIMATIC Field PG M5 22.01 earliest → < 22.01.10 22.01.10
SIMATIC Field PG M6 26.01 earliest → < 26.01.13 26.01.13
SIMATIC IPC127E 27.01 earliest → < 27.01.09 27.01.09
SIMATIC IPC227G 28.01 earliest → < 28.01.04 28.01.04
SIMATIC IPC277G 28.01 earliest → < 28.01.04 28.01.04
SIMATIC IPC277G PRO 28.01 earliest → < 28.01.04 28.01.04
SIMATIC IPC327G 28.01 earliest → < 28.01.04 28.01.04
Show the 10 other branches
Product Affected versions Fixed in
SIMATIC IPC377G 28.01 earliest → < 28.01.04 28.01.04
SIMATIC IPC427E 21.01 earliest → < 21.01.17 21.01.17
SIMATIC IPC477E 21.01 earliest → < 21.01.17 21.01.17
SIMATIC IPC477E PRO 21.01 earliest → < 21.01.17 21.01.17
SIMATIC IPC627E 25.02 earliest → < 25.02.12 25.02.12
SIMATIC IPC647E 25.02 earliest → < 25.02.12 25.02.12
SIMATIC IPC677E 25.02 earliest → < 25.02.12 25.02.12
SIMATIC IPC847E 25.02 earliest → < 25.02.12 25.02.12
SIMATIC ITP1000 23.01 earliest → < 23.01.10 23.01.10
SIPLUS IPC427E 21.01 earliest → < 21.01.17 21.01.17

References

Timeline

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