CVE-2026-23135

MEDIUM

Linux Kernel 6.3-6.6.121, 6.7-6.12.67, 6.13-6.18.7 - Use-After-Free in WiFi ath12k DMA Buffer Handling

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix dma_free_coherent() pointer dma_alloc_coherent() allocates a DMA mapped buffer and stores the addresses in XXX_unaligned fields. Those should be reused when freeing the buffer rather than the aligned addresses.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0002
EPSS Percentile 4.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (15)
linux/Kernel 6.13.0 - 6.18.8linux
linux/Kernel 6.3.0 - 6.6.122linux
linux/Kernel 6.7.0 - 6.12.68linux
Linux/Linux < 6.3
Linux/Linux 6.12.68 - 6.12.*
Linux/Linux 6.18.8 - 6.18.*
Linux/Linux 6.19
Linux/Linux 6.3
Linux/Linux 6.6.122 - 6.6.*
Linux/Linux d889913205cf7ebda905b1e62c5867ed4e39f6c2 - 24585a13c41ea7253ee59aac74441fb570f5824a
... and 5 more
Published Feb 14, 2026
Tracked Since Feb 18, 2026