vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-53721

wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()

N/A
Published: October 22, 2025 at 01:23 PM UTC
Updated: October 28, 2026 at 07:10 PM UTC
1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan() In ath12k_mac_op_hw_scan(), the return value of kzalloc() is directly used in memcpy(), which may lead to a NULL pointer dereference on failure of kzalloc(). Fix this bug by adding a check of arg.extraie.ptr. Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
6.3d889913205cf7ebda905b1e62c5867ed4e39f6c2
Vendor states this is fixed in 5a263df398b581189fe632b4ab8440f3dd76c251 (fixed)
Vendor states this is fixed in 8ad314da54c6dd223a6b6cc85019160aa842f659 (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.5.5 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: cverecord
https://git.kernel.org/stable/c/5a263df398b581189fe632b4ab8440f3dd76c251
Source: cverecord
https://git.kernel.org/stable/c/8ad314da54c6dd223a6b6cc85019160aa842f659

Quick Info

StatusDEFERRED

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card