VulnerabilityModified
CVE-2022-1891
A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
HIGH 7.8EPSS 0.34%
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 SystemLoadDefaultDxe 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
- CISA KEV
- Not listed
- Weakness
- CWE-122, CWE-120
- 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
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. Refreshed daily.