Out-of-bounds write in Intel products - CVE-2023-22351

Vulnerability identifier: #VU97442

CSH Severity: Low

CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-22351

CWE-ID: CWE-787

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the UEFI firmware. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.

Intel Core i7-1185G7E/GRE
Intel Xeon W-11865MLE/MRE
Intel Xeon W-11555MLE/MRE
Intel Xeon W-11155MLE/MRE
Intel Core i7-11850HE
Intel Core i5-11500HE
Intel Core i3-11100HE
Intel Celeron 6600HE/HLE
Intel Core i5-1145G7E/GRE
Intel Core i3-1115GRE/G4E
Intel Celeron 6305E/RE
Intel Atom Processor X Series
13th Generation Intel Core Processors
Intel Celeron Processors
Intel Pentium Gold Processor Series
12th Generation Intel Core Processors
Intel Atom Processor C Series
Intel Core i5-11500
Intel Core i5-11500T
Intel Core i5-11400
Intel Core i5-11400T
Intel Core i7-11700
Intel Core i7-11700T
11th Generation Intel Core Processors
10th Generation Intel Core Processors
Intel Xeon Processor E Family
Precision 7920 Rack
Precision 7920 XL Rack

Install updates from vendor's website.

Precision 7920 Rack - update to 2.22.2
Precision 7920 XL Rack - update to 2.22.2

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01071.html

• Multiple vulnerabilities in Intel UEFI firmware
• Dell Precision Rack update for Intel CPU firmware