CVE-2023-53251 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 15
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linuxabc599efa67bb4138536360e07d677052b19e392 — 3b9de981fe7f1c6e07c7b852421ad69be3d4b6c2+5
Patches
🔴Vulnerability Details
2GHSA▶
GHSA-6mjw-j4c8-cfgq: In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler↗2025-09-15
OSV▶
CVE-2023-53251: In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler(↗2025-09-15