SB2023120112 - Dell Client Platform update for INSYDE UEFI BIOS
Published: December 1, 2023
Security Bulletin ID
SB2023120112
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Time-of-check Time-of-use (TOCTOU) Race Condition (CVE-ID: CVE-2022-24351)
CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to compromise the target system.
The vulnerability exists due to a time-of-check, time-of-use (TOCTOU) race condition. A local attacker can alter data and code used by the remainder of the boot process.
Remediation
Install update from vendor's website.