CVE-2023-53251
BaseFortify
Publication date: 2025-09-15
Last updated on: 2025-12-03
Assigner: kernel.org
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | From 5.12 (inc) to 5.15.121 (exc) |
| linux | linux_kernel | From 5.16 (inc) to 6.1.39 (exc) |
| linux | linux_kernel | From 6.2 (inc) to 6.3.13 (exc) |
| linux | linux_kernel | From 6.4 (inc) to 6.4.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a NULL pointer dereference in the Linux kernel's iwlwifi driver for PCIe devices. It occurs in the function iwl_pcie_irq_rx_msix_handler() when certain conditions cause the rxq pointer to be NULL, leading to a potential crash or instability in the system. The fix involves modifying the code to properly check the trans_pcie->rxq pointer to prevent dereferencing a NULL pointer.
How can this vulnerability impact me? :
This vulnerability can cause the affected system to crash or become unstable due to a NULL pointer dereference in the wireless driver. This may lead to denial of service or loss of network connectivity on systems using the vulnerable driver.