CVE-2023-53251
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 15, 2025
First seenSep 15, 2025
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel5.15.121, 6.1.39, 6.3.13, 6.4.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.12 ≤ v < 5.15.121, 5.16 ≤ v < 6.1.39, 6.2 ≤ v < 6.3.13, 6.4 ≤ v < 6.4.4 | 5.15.121, 6.1.39, 6.3.13, 6.4.4 |
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