CVE-2024-7137

MEDIUM

Out-of-bounds Write (CWE-787)

2024-12-19 product-security@silabs.com

Buffer Overflow Memory Corruption

6.5

CVSS 3.1 · Vendor: silabs

Severity by source

Vendor (silabs) PRIMARY

6.5 MEDIUM

AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from Vendor (silabs) · only source for this CVE.

CVSS VectorVendor: silabs

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 19, 2024 - 20:15 cve.org

MEDIUM 6.5

DescriptionCVE.org

The L2CAP receive data buffer for L2CAP packets is restricted to packet sizes smaller than the maximum supported packet size. Receiving a packet that exceeds the restricted buffer length may cause a crash. A hard reset is required to recover the crashed device.

AnalysisAI

The L2CAP receive data buffer for L2CAP packets is restricted to packet sizes smaller than the maximum supported packet size. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. The L2CAP receive data buffer for L2CAP packets is restricted to packet sizes smaller than the maximum supported packet size. Receiving a packet that exceeds the restricted buffer length may cause a crash. A hard reset is required to recover the crashed device.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).