CVE-2025-37944

HighCVSS 7.8/10Last modified Oct 15, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

wifi: ath12k: Fix invalid entry fetch in ath12k_dp_mon_srng_process

Currently, ath12k_dp_mon_srng_process uses ath12k_hal_srng_src_get_next_entry to fetch the next entry from the destination ring. This is incorrect because ath12k_hal_srng_src_get_next_entry is intended for source rings, not destination rings. This leads to invalid entry fetches, causing potential data corruption or crashes due to accessing incorrect memory locations. This happens because the source ring and destination ring have different handling mechanisms and using the wrong function results in incorrect pointer arithmetic and ring management.

To fix this issue, replace the call to ath12k_hal_srng_src_get_next_entry with ath12k_hal_srng_dst_get_next_entry in ath12k_dp_mon_srng_process. This ensures that the correct function is used for fetching entries from the destination ring, preventing invalid memory accesses.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

VendorProductVersions
LinuxLinux>= d889913205cf7ebda905b1e62c5867ed4e39f6c2, < 2c512f2eadabb1e80816116894ffaf7d802a944e; >= d889913205cf7ebda905b1e62c5867ed4e39f6c2, < ab7edf42ce800eb34d2f73dd7271b826661a06a5; >= d889913205cf7ebda905b1e62c5867ed4e39f6c2, < b6a3b2b2cead103089d3bb7a57d8209bdfa5399d; >= d889913205cf7ebda905b1e62c5867ed4e39f6c2, < 298f0aea5cb32b5038f991f5db201a0fcbb9a31b; >= d889913205cf7ebda905b1e62c5867ed4e39f6c2, < 63fdc4509bcf483e79548de6bc08bf3c8e504bb3
LinuxLinux6.3

References

Timeline

Published
May 20, 2025
Last modified
Oct 15, 2026
NVD status
Modified

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CVE-2025-37944: High severity, CVSS 7.8 | Vulnix