SB20221115112 - Out-of-bounds write in Insyde Kernel
Published: November 15, 2022 Updated: September 18, 2023
Security Bulletin ID
SB20221115112
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2022-30772)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in PnpSmm function 0x52. A local administrator can trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.