Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers _base_release_memory_pools() unconditionally frees every ioc->pcie_sg_lookup[] entry, including ones the setup loop never allocated after a partial failure, causing a "bad dma" warning on debug kernels or a NULL pointer dereference otherwise.
References
- https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02d
- https://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14af
- https://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73db
- https://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23
- https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67
- https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4
- https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40
- https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c
FAQ
What is CVE-2026-90202?
CVE-2026-90202 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers _base_release_memory_pools() unconditionally frees every ioc->pcie_sg_lo...
How severe is CVE-2026-90202?
CVSS scoring is not yet available for CVE-2026-90202. Check NVD for updates.
Is there a patch for CVE-2026-90202?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.