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Clarify the table of locked versions - using the unlock instructions now below

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pull/162/head
Hamish Coleman 4 years ago
parent d91e2f1baa
commit 9b45ae243f
1 changed files with 12 additions and 12 deletions
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24
README.md
Unescape Escape View File

@ -2,18 +2,18 @@
COMPATIBILTY WARNING:
---------------------
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 | Action |
| ------ | --------- | -------------------- | ------ |
| t430 | BIOS 2.81 (G1ETC1WW) EC 1.13 (G1HT35WW) | BIOS 2.82 (G1ETC2WW) EC 1.14 (G1HT36WW) | roll back to 2.81 (disable secure rollback prevention) |
| t430s | BIOS 2.75 (G7ETB5WW) EC 1.16 (G7HT39WW) | BIOS 2.76 (G7ETB6WW) EC 1.16 (G7HT40WW) | |
| t530, t530i | BIOS 2.76 (G4ETB6WW) EC 1.13 (G4HT39WW) | BIOS 2.77 (G4ETB7WW) EC 1.14 (G4HT40WW) | |
| w530 | BIOS 2.75 (G5ETB5WW) EC 1.13 (G4HT39WW) | BIOS 2.76 (G5ETB6WW) EC 1.14 (G4HT40WW) | |
| x230 | BIOS 2.75 (G2ETB5WW) EC 1.14 (G2HT35WW) | BIOS 2.77 (G2ETB7WW) EC 1.15 (G2HT36WW) | |
| x230t | BIOS 2.73 (GCETB3WW) EC 1.14 (GCHT25WW) | BIOS 2.75 (GCETB5WW) EC 1.15 (GCHT26WW) | |
As the result of CVE-2019-6171, newer Lenovo firmware update files have
added a digital signature. If you upgrade to locked version you will not
be able to patch your EC without downgrading it.
| laptop | last good | first locked version |
| ------ | --------- | -------------------- |
| t430 | BIOS 2.81 (G1ETC1WW) EC 1.13 (G1HT35WW) | BIOS 2.82 (G1ETC2WW) EC 1.14 (G1HT36WW) |
| t430s | BIOS 2.75 (G7ETB5WW) EC 1.16 (G7HT39WW) | BIOS 2.76 (G7ETB6WW) EC 1.16 (G7HT40WW) |
| t530, t530i | BIOS 2.76 (G4ETB6WW) EC 1.13 (G4HT39WW) | BIOS 2.77 (G4ETB7WW) EC 1.14 (G4HT40WW) |
| w530 | BIOS 2.75 (G5ETB5WW) EC 1.13 (G4HT39WW) | BIOS 2.76 (G5ETB6WW) EC 1.14 (G4HT40WW) |
| x230 | BIOS 2.75 (G2ETB5WW) EC 1.14 (G2HT35WW) | BIOS 2.77 (G2ETB7WW) EC 1.15 (G2HT36WW) |
| x230t | BIOS 2.73 (GCETB3WW) EC 1.14 (GCHT25WW) | BIOS 2.75 (GCETB5WW) EC 1.15 (GCHT26WW) |
Basically, any BIOS update package where the changelog mentions CVE-2019-6171
will have this lockdown.

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