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Add details about rollback for locked-down t430 BIOS

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Hamish Coleman 2019-09-21 18:09:38 +08:00
parent e96ca06532
commit cd96794e1e
1 changed files with 3 additions and 3 deletions
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README.md
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@ -6,9 +6,9 @@ As the result of CVE-2019-6171, it looks like newer Lenovo firmware update
files are adding a digital signature. If you upgrade to a version using
this, you will not be able to patch your EC.
| laptop | last good | first locked version |
| ------ | --------- | -------------------- |
| t430 | t430 BIOS 2.81 (G1ETC1WW) EC 1.13 (G1HT35WW) | t430 BIOS 2.82 (G1ETC2WW) EC 1.14 (G1HT36WW) |
| laptop | last good | first locked version | Action |
| ------ | --------- | -------------------- | ------ |
| t430 | t430 BIOS 2.81 (G1ETC1WW) EC 1.13 (G1HT35WW) | t430 BIOS 2.82 (G1ETC2WW) EC 1.14 (G1HT36WW) | roll back to 2.81 (disable secure rollback prevention) |
Basically, any BIOS update package where the changelog mentions CVE-2019-6171
will have this lockdown.