CVE-2023-53251: wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: pcie: fix NULL pointer dereference in iwlpcieirqrxmsixhandler()
rxq can be NULL only when transpcie->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 transpcie->rxq is NULL. Modify checker to check for transpcie->rxq.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2023-53251?
CVE-2023-53251 is classified as a high-severity vulnerability in the Linux kernel.
How do I fix CVE-2023-53251?
To fix CVE-2023-53251, you should update to the latest version of the Linux kernel where the vulnerability has been patched.
What systems are affected by CVE-2023-53251?
CVE-2023-53251 affects systems running certain versions of the Linux kernel that utilize the iwlwifi driver.
What type of vulnerability is CVE-2023-53251?
CVE-2023-53251 is a NULL pointer dereference vulnerability that can lead to system crashes.
Is CVE-2023-53251 being actively exploited?
As of now, there is no public indication that CVE-2023-53251 is being actively exploited in the wild.