CVE-2026-90202 PUBLISHED

scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers

Assigner: Linux
Reserved: 11.09.2026 Published: 17.09.2026 Updated: 17.09.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to 3361709fb6f6568b157c6f24ed21a4a5d86d73db (excl.)
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to 240b582b6372bebb1245d911add9954b7dd6c02d (excl.)
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to a61181f9ee30a98d2350c1bff32954a7521f9a23 (excl.)
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to afedf35df054bd713e9e13771aa0a056932c5c67 (excl.)
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to bc3398db3b64729b4a7907af317daad04795ad40 (excl.)
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to 2dbdd025b228110ccbfbab95fe16e098313a14af (excl.)
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to e2cd23443d3616ea0876f27762b17e2ec67d896c (excl.)
  • affected from dbec4c9040edc15442c3ebdb65408aa9d3b82c24 to b9f679dfe629004b593f018df33b330d799bcee4 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 4.16 is affected
  • unaffected from 0 to 4.16 (excl.)
  • unaffected from 5.10.270 to 5.10.* (incl.)
  • unaffected from 5.15.221 to 5.15.* (incl.)
  • unaffected from 6.1.188 to 6.1.* (incl.)
  • unaffected from 6.6.157 to 6.6.* (incl.)
  • unaffected from 6.12.110 to 6.12.* (incl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References