High severity · published Jan 23, 2023
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
7.8
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BI
BIOS · Lenovo
various · source: vendor
T1
Thinkbook 14-iil Firmware · Lenovo
before djcn28ww · source: NVD
T1
Thinkbook 14-iml Firmware · Lenovo
before cjcn38ww · source: NVD
T1
Thinkbook 15-iil Firmware · Lenovo
before djcn28ww · source: NVD
T1
Thinkbook 15-iml Firmware · Lenovo
before cjcn38ww · source: NVD
YC
Yoga C640-13iml Firmware · Lenovo
before chcn28ww · source: NVD
YC
Yoga C640-13iml Lte Firmware · Lenovo
before chcn28ww · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1890
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-1890
Vendor Advisory
https://support.lenovo.com/us/en/product_security/LEN-91369
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