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VULNERABILITIES

CVE-2026-74341 Details

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: wcn36xx: fix heap overflow from oversized firmware HAL response The firmware response dispatcher copies all synchronous HAL responses into the 4096-byte hal_buf without validating the response length. A response exceeding WCN36XX_HAL_BUF_SIZE causes a heap buffer overflow with firmware-controlled content. Add a bounds check on the response length.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/15545ee71301e82d26d9a31b407ed0019eb62a60 kernel.org
https://git.kernel.org/stable/c/18813b90032bfaafb225906a4d2b51be4dfc02c3 kernel.org
https://git.kernel.org/stable/c/1b5d8a248c3afa640bcc99fa95abcd1e36f3ee18 kernel.org
https://git.kernel.org/stable/c/88a240d86d3d64521f9194abe185ac71cc74d0bd kernel.org
https://git.kernel.org/stable/c/cfc67aee0c83e7f5d43a1dad3e25c789e9cc1d92 kernel.org

see all 6 references

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74341
NVD Published Date:
Aug 15, 2026
NVD Last Modified:
Aug 17, 2026
Source:
kernel.org
CVE-2026-74341 Details - Not Deferred