PT-2022-3640 · Lenovo · Systemloaddefaultdxe Driver

Published 2022-07-12 · Updated 2023-02-03 · CVE-2022-1891

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Lenovo Notebook products (affected versions not specified)

Description A buffer overflow in the SystemLoadDefaultDxe driver may allow an attacker with local privileges to execute arbitrary code. The issue is related to the SystemLoadDefaultDxe driver in some Lenovo Notebook products.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Heap Based Buffer Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-122

CWE-120

Related Identifiers

BDU:2022-04425

CVE-2022-1891

Affected Products

Systemloaddefaultdxe Driver

References · 7

• https://support.lenovo.com/us/en/product_security/LEN-91369 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-04425 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-1891 · Security Note
• https://osv.dev/vulnerability/CVE-2022-1891 · Vendor Advisory
• https://t.me/cibsecurity/57005 · Telegram Post
• https://t.me/echeloneyes/448 · Telegram Post
• https://t.me/true_secator/3171 · Telegram Post