CVE-2026-90202

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.

Package Linux Kernel
Published 2026-09-17
Last modified 2026-09-17
Patch available
Yes

Affected versions

Linux kernel versions 4.16 and later are affected. Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.110, 6.18.52, 7.2.6, 7.3-rc1 and their respective stable series.

Affected from
≥ 4.16
Fixed in
✓ 5.10.270 5.10.x ✓ 5.15.221 5.15.x ✓ 6.1.188 6.1.x ✓ 6.6.157 6.6.x ✓ 6.12.110 6.12.x ✓ 6.18.52 6.18.x ✓ 7.2.6 7.2.x ✓ 7.3-rc1

Frequently asked questions

  • What is CVE-2026-90202?

    CVE-2026-90202 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.16 onward and has been patched in 5.10.270, 5.15.221, 6.1.188 and others. CVE-2026-90202 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-90202?

    Yes. CVE-2026-90202 has been patched. Fixed versions include 5.10.270, 5.15.221, 6.1.188 and others. If you are running Linux kernel 4.16 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-90202 actively exploited?

    No. CVE-2026-90202 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.