CVE-2023-53251
wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()
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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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory 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
References (5)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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