CVE-2022-1891
HIGHCVSS 7.8/10EPSS 0.34%
Last modified
CVE-2022-1891 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
Description
A buffer overflow in the SystemLoadDefaultDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
- https://support.lenovo.com/us/en/product_security/LEN-91369Vendor Advisory
- https://support.lenovo.com/us/en/product_security/LEN-91369Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2022-1891?
CVE-2022-1891 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2022-1891?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-1891?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST