CVE-2023-54326
High
Description
In the Linux kernel, the following vulnerability has been resolved: misc: pci_endpoint_test: Free IRQs before removing the device In pci_endpoint_test_remove(), freeing the IRQs after removing the device creates a small race window for IRQs to be received with the test device memory already released, causing the IRQ handler to access invalid memory, resulting in an oops. Free the device IRQs before removing the device to avoid this issue.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux
PublishedDec 30, 2025
First seenDec 30, 2025
How to fix
Update
- Linux Linuxfb7f8bdb886f2ebf35ee5edaf2bf5f02b063ddb7, dd2210379205fcd23a9d8869b0cef90e3770577c, cdf9a7e2cdc7a5464e3cc6d0b715ba2b1d215521, 14bdee38e96c7d37ca15e7bea50411eee25fe315, c2dba13bc0c62b79a3cbe4bfe5faa32231bf9b55, 38d12bcf4e2ce3d285eb29644a79a54f42040fab, f61b7634a3249d12b9daa36ffbdb9965b6f24c6c or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ≤ v < fb7f8bdb886f2ebf35ee5edaf2bf5f02b063ddb7, e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ≤ v < dd2210379205fcd23a9d8869b0cef90e3770577c, e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ≤ v < cdf9a7e2cdc7a5464e3cc6d0b715ba2b1d215521, e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ≤ v < 14bdee38e96c7d37ca15e7bea50411eee25fe315, e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ≤ v < c2dba13bc0c62b79a3cbe4bfe5faa32231bf9b55, e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ≤ v < 38d12bcf4e2ce3d285eb29644a79a54f42040fab, e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ≤ v < f61b7634a3249d12b9daa36ffbdb9965b6f24c6c, 4.19 | fb7f8bdb886f2ebf35ee5edaf2bf5f02b063ddb7, dd2210379205fcd23a9d8869b0cef90e3770577c, cdf9a7e2cdc7a5464e3cc6d0b715ba2b1d215521, 14bdee38e96c7d37ca15e7bea50411eee25fe315, c2dba13bc0c62b79a3cbe4bfe5faa32231bf9b55, 38d12bcf4e2ce3d285eb29644a79a54f42040fab, f61b7634a3249d12b9daa36ffbdb9965b6f24c6c |
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