CVE-2023-53721

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

published October 22, 2025

CVSS
—
EPSS
0%
Percentile
7.6
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00184 · 7.6th percentile
Published
2025-10-22T13:23Z
EPSS history
Timeline
  • 22 OCT 13:23Z
    wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()
    cvelistv5