CVE-2023-53251
Published: September 16, 2025Last modified: September 16, 2025
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.42-r0) |
| 25 LTS | linux-lts | Not affected (6.6.89-r0) | |
| Stream | linux-lts | Fixed (6.6.58-r0) |
References
- https://git.kernel.org/stable/c/1902f1953b8ba100ee8705cb8a6f1a9795550eca
- https://git.kernel.org/stable/c/2d690495eb2766d58e25c83676f422219c4fcf18
- https://git.kernel.org/stable/c/390e44efcf4d390b5053ad112553155d2d097c73
- https://git.kernel.org/stable/c/3b9de981fe7f1c6e07c7b852421ad69be3d4b6c2
- https://git.kernel.org/stable/c/f71d0fc407dd028416bec002ddcc62f5acb0346a