VDB

DEBIAN-CVE-2025-39952

DEBIAN-CVE-2025-39952 PUBLISHED CVSS 7.800000190734863 HIGH

In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: avoid buffer overflow in WID string configuration Fix the following copy overflow warning identified by Smatch checker. drivers/net/wireless/microchip/wilc1000/wlan_cfg.c:184 wilc_wlan_parse_response_frame() error: '__memcpy()' 'cfg->s[i]->str' copy overflow (512 vs 65537) This patch introduces size check before accessing the memory buffer. The checks are base on the WID type of received data from the firmware. For WID string configuration, the size limit is determined by individual element size in 'struct wilc_cfg_str_vals' that is maintained in 'len' field of 'struct wilc_cfg_str'.

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:14linux0, 6.12.41-1, 6.12.43-1
Debian:11linux*, 6.17.10-1, 6.17.11-1
Debian:12linux6.1.106-1, 6.1.106-3, 6.1.112-1
Debian:13linux6.12.41-1, 6.12.43-1, 6.12.43-1~bpo12+1

Exploit Intelligence

Timeline

  • Oct 4, 2025 CVE Published
  • Apr 28, 2026 CVE Updated
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