RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Fix a bug while setting up Level-2 PBL pages Avoid memory corruption while setting up Level-2 PBL pages for the non MR resources when num_pages > 256K. There will be a single PDE page address (contiguous pages in the case of > PAGE_SIZE), but, current logic assumes multiple pages, leading to invalid memory access after 256K PBL entries in the PDE.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/df6fed0a2a1a5e57f033bca40dc316b18e0d0ce6
- https://git.kernel.org/stable/c/de5857fa7bcc9a496a914c7e21390be873109f26
- https://git.kernel.org/stable/c/ea701c1849e7250ea41a4f7493e0a5f136c1d47e
- https://git.kernel.org/stable/c/87cb3b0054e53e0155b630bdf8fb714ded62565f
- https://git.kernel.org/stable/c/daac56dd98e1ba814c878ac0acd482a37f2ab94b
- https://git.kernel.org/stable/c/7988bdbbb85ac85a847baf09879edcd0f70521dc
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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