CVE-2023-53251

wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()

Medium · published September 15, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
3.7
In the wild
Unconfirmed
What it is

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

wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()

rxq can be NULL only when trans_pcie->rxq is NULL and entry->entry

is zero. For the case when entry->entry is not equal to 0, rxq

won't be NULL even if trans_pcie->rxq is NULL. Modify checker to

check for trans_pcie->rxq.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00148 · 3.7th percentile
Published
2025-09-15T14:46Z
EPSS history
Timeline
  • 15 SEP 14:46Z
    wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()
    cvelistv5