CVE-2022-1890
HIGH
7.8
CVSS Score
Published: January 23, 2023 at 03:18 PM UTC
Updated: June 17, 2026 at 04:23 AM UTC
13 products affected across 1 vendorYoga C640-13iml LTE FirmwareThinkbook 14-iil FirmwareThinkbook 15-iil Firmware
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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known 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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < djcn28ww
Affected range stops below djcn28ww, so it looks safe — our inference, not a vendor statement
lenovo-thinkbook-14-iil (same device)
v < cjcn38ww
Affected range stops below cjcn38ww, so it looks safe — our inference, not a vendor statement
lenovo-thinkbook-14-iml (same device)
v < djcn28ww
Affected range stops below djcn28ww, so it looks safe — our inference, not a vendor statement
lenovo-thinkbook-15-iil (same device)
v < cjcn38ww
Affected range stops below cjcn38ww, so it looks safe — our inference, not a vendor statement
lenovo-thinkbook-15-iml (same device)
v < chcn28ww
Affected range stops below chcn28ww, so it looks safe — our inference, not a vendor statement
lenovo-yoga-c640-13iml (same device)
v < chcn28ww
Affected range stops below chcn28ww, so it looks safe — our inference, not a vendor statement
lenovo-yoga-c640-13iml-lte (same device)
Thinkbook 14-Iil· Lenovodevice
80%All versions
Thinkbook 14-Iml· Lenovodevice
80%All versions
Thinkbook 15-Iil· Lenovodevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-122CWE-787
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