CVE-2022-4575
Medium
Description
A vulnerability due to improper write protection of UEFI variables was reported in the BIOS of some ThinkPad models could allow an attacker with physical or local access and elevated privileges the ability to bypass Secure Boot.
SeverityMedium
CVSS6.7
Exploit probability—
ProductLenovo Thinkpad 25 Firmware
PublishedOct 30, 2023
First seenOct 30, 2023
Weakness typeCWE-276CWE-276
How to fix
Update
- lenovo thinkpad_25_firmware1.73 or later
- lenovo thinkpad_l560_firmware1.62 or later
- lenovo thinkpad_p50_firmware1.71 or later
- lenovo thinkpad_p50s_firmware1.45 or later
- lenovo thinkpad_p70_firmware2.45 or later
- lenovo thinkpad_t470_firmware1.73 or later
- lenovo thinkpad_t470s_firmware1.49 or later
- lenovo thinkpad_t560_firmware1.45 or later
- lenovo thinkpad_x1_carbon_4th_gen_firmware1.56 or later
- lenovo thinkpad_x1_yoga_1st_gen_firmware1.56 or later
- lenovo thinkpad_x260_firmware1.50 or later
- lenovo thinkpad_x270_firmware1.47 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lenovo thinkpad_25_firmware | v < 1.73 | 1.73 |
| lenovo thinkpad_l560_firmware | v < 1.62 | 1.62 |
| lenovo thinkpad_p50_firmware | v < 1.71 | 1.71 |
| lenovo thinkpad_p50s_firmware | v < 1.45 | 1.45 |
| lenovo thinkpad_p70_firmware | v < 2.45 | 2.45 |
| lenovo thinkpad_t470_firmware | v < 1.73 | 1.73 |
| lenovo thinkpad_t470s_firmware | v < 1.49 | 1.49 |
| lenovo thinkpad_t560_firmware | v < 1.45 | 1.45 |
| lenovo thinkpad_x1_carbon_4th_gen_firmware | v < 1.56 | 1.56 |
| lenovo thinkpad_x1_yoga_1st_gen_firmware | v < 1.56 | 1.56 |
| lenovo thinkpad_x260_firmware | v < 1.50 | 1.50 |
| lenovo thinkpad_x270_firmware | v < 1.47 | 1.47 |
| lenovo thinkpad_yoga_260_firmware | v < 1.88 | 1.88 |
Check your version
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