Home/CVE/A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privilege
CVE

CVE-2022-1890

A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privilege

A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

MEDIUM · CVSS 6.7 EPSS 0.00043
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-122Heap-based Buffer Overflow
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

6
lenovo thinkbook 14-iml firmware< cjcn38ww
lenovo thinkbook 14-iil firmware< djcn28ww
lenovo thinkbook 15-iil firmware< djcn28ww
lenovo thinkbook 15-iml firmware< cjcn38ww
lenovo yoga c640-13iml lte firmware< chcn28ww
lenovo yoga c640-13iml firmware< chcn28ww
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · psirt@lenovo.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jan 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.lenovo.com/us/en/product_security/LEN-91369Vendor Advisory
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