CVE-2022-1890
A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.34% probability · 27th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-787
- Affected
- lenovo/thinkbook 14-iml firmware · lenovo/thinkbook 14-iil firmware · lenovo/thinkbook 15-iil firmware · lenovo/thinkbook 15-iml firmware · lenovo/yoga c640-13iml lte firmware · lenovo/yoga c640-13iml firmware
- Source
- psirt@lenovo.com
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://support.lenovo.com/us/en/product_security/LEN-91369Vendor Advisory
- https://support.lenovo.com/us/en/product_security/LEN-91369Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.