CVE-2026-90202

CVE-2026-90202: vulnerability in Linux

scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

Published

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 90% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/240b582b6372bebb1245d911add9954b7dd6c02dhttps://git.kernel.org/stable/c/2dbdd025b228110ccbfbab95fe16e098313a14afhttps://git.kernel.org/stable/c/3361709fb6f6568b157c6f24ed21a4a5d86d73dbhttps://git.kernel.org/stable/c/a61181f9ee30a98d2350c1bff32954a7521f9a23https://git.kernel.org/stable/c/afedf35df054bd713e9e13771aa0a056932c5c67https://git.kernel.org/stable/c/b9f679dfe629004b593f018df33b330d799bcee4https://git.kernel.org/stable/c/bc3398db3b64729b4a7907af317daad04795ad40https://git.kernel.org/stable/c/e2cd23443d3616ea0876f27762b17e2ec67d896c