PT-2022-19515 · Kernel · Kernel

Published 2022-11-15 · Updated 2022-11-23 · CVE-2022-29275

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Kernel 5.0 versions prior to 05.09.21 Kernel 5.1 versions prior to 05.17.21 Kernel 5.2 versions prior to 05.27.21 Kernel 5.3 versions prior to 05.36.21 Kernel 5.4 versions prior to 05.44.21 Kernel 5.5 versions prior to 05.52.21

Description In UsbCoreDxe, untrusted input may allow SMRAM or OS memory tampering. Use of untrusted pointers could allow OS or SMRAM memory tampering leading to escalation of privileges. This issue was discovered by Insyde during security review.

Recommendations For Kernel 5.0, update to version 05.09.21 or later. For Kernel 5.1, update to version 05.17.21 or later. For Kernel 5.2, update to version 05.27.21 or later. For Kernel 5.3, update to version 05.36.21 or later. For Kernel 5.4, update to version 05.44.21 or later. For Kernel 5.5, update to version 05.52.21 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2022-29275

Affected Products

Kernel

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2022-29275 · Security Note
• https://osv.dev/vulnerability/CVE-2022-29275 · Vendor Advisory
• https://insyde.com/security-pledge/SA-2022058 · Vendor Advisory
• https://insyde.com/security-pledge · Vendor Advisory
• https://t.me/cvenotify/37805 · Telegram Post
• https://t.me/cvenotify/38322 · Telegram Post