#VU54191 Incomplete cleanup in Intel products - CVE-2020-24489

Vulnerability identifier: #VU54191

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-24489

CWE-ID: CWE-459

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
10th Generation Intel Core Processors
Hardware solutions / Firmware
11th Generation Intel Core Processors
Hardware solutions / Firmware
Intel Pentium Processor N Series Intel Celeron Processor J Series
Hardware solutions / Firmware
Intel Celeron Processor N Series Intel Atom Processor
Hardware solutions / Firmware
Intel Celeron Processor N Series
Hardware solutions / Firmware
Intel Pentium Processor Silver Series
Hardware solutions / Firmware
Intel Core Processors with Intel Hybrid Technology
Hardware solutions / Firmware
Intel Pentium Processor J Series
Hardware solutions / Other hardware appliances
Intel Atom Processor E3900 Series
Hardware solutions / Other hardware appliances
Intel Pentium Processor N Series
Hardware solutions / Other hardware appliances

Vendor: Intel

Description

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

The vulnerability exists due to incomplete cleanup, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

10th Generation Intel Core Processors: All versions

11th Generation Intel Core Processors: All versions

Intel Pentium Processor J Series: All versions

Intel Pentium Processor N Series Intel Celeron Processor J Series: All versions

Intel Celeron Processor N Series Intel Atom Processor: All versions

Intel Atom Processor E3900 Series: All versions

Intel Pentium Processor N Series: All versions

Intel Celeron Processor N Series: All versions

Intel Pentium Processor Silver Series: All versions

Intel Core Processors with Intel Hybrid Technology: All versions

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00442.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.