Intel Processors UEFI Firmware memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Intel Processors and classified as critical. This vulnerability affects unknown code of the component UEFI Firmware. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2024-21859. The attack must be carried out locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Intel Processors (the affected version is unknown) and classified as problematic. Affected by this issue is an unknown code of the component UEFI Firmware. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality. CVE summarizes:

Improper buffer restrictions in the UEFI firmware for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

The advisory is shared for download at intel.com. This vulnerability is handled as CVE-2024-21859 since 03/27/2024. The exploitation is known to be difficult. The attack needs to be approached locally. Additional levels of successful authentication are necessary for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-0323). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • HPE Synergy
  • Lenovo Computer
  • Fujitsu BIOS
  • HPE ProLiant
  • RESF Rocky Linux
  • HP BIOS
  • Lenovo BIOS
  • Dell PowerScale
  • Dell Computer
  • Dell PowerEdge
  • Intel Firmware

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 1.9
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (intel): 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/27/2024 🔍
02/12/2025 +322 days 🔍
02/12/2025 +0 days 🔍
05/01/2026 +443 days 🔍

Sourcesinfo

Vendor: intel.com

Advisory: intel-sa-01198
Status: Confirmed

CVE: CVE-2024-21859 (🔍)
GCVE (CVE): GCVE-0-2024-21859
GCVE (VulDB): GCVE-100-295628
CERT Bund: WID-SEC-2025-0323 - Intel Firmware: Mehrere Schwachstellen

Entryinfo

Created: 02/12/2025 23:23
Updated: 05/01/2026 10:54
Changes: 02/12/2025 23:23 (74), 10/14/2025 11:40 (7), 05/01/2026 10:51 (1), 05/01/2026 10:54 (2)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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