CVE-2026-90202 (GCVE-0-2026-90202)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:07 – Updated: 2026-09-17 16:07
VLAI
Title
scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers
Summary
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < 3361709fb6f6568b157c6f24ed21a4a5d86d73db (git)
Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < 240b582b6372bebb1245d911add9954b7dd6c02d (git)
Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < a61181f9ee30a98d2350c1bff32954a7521f9a23 (git)
Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < afedf35df054bd713e9e13771aa0a056932c5c67 (git)
Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < bc3398db3b64729b4a7907af317daad04795ad40 (git)
Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < 2dbdd025b228110ccbfbab95fe16e098313a14af (git)
Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < e2cd23443d3616ea0876f27762b17e2ec67d896c (git)
Affected: dbec4c9040edc15442c3ebdb65408aa9d3b82c24 , < b9f679dfe629004b593f018df33b330d799bcee4 (git)
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Linux Linux Affected: 4.16
Unaffected: 0 , < 4.16 (semver)
Unaffected: 5.10.270 , ≤ 5.10.* (semver)
Unaffected: 5.15.221 , ≤ 5.15.* (semver)
Unaffected: 6.1.188 , ≤ 6.1.* (semver)
Unaffected: 6.6.157 , ≤ 6.6.* (semver)
Unaffected: 6.12.110 , ≤ 6.12.* (semver)
Unaffected: 6.18.52 , ≤ 6.18.* (semver)
Unaffected: 7.2.6 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers\n\n_base_release_memory_pools() unconditionally frees every\nioc-\u003epcie_sg_lookup[] entry, including ones the setup loop never\nallocated after a partial failure, causing a \"bad dma\" warning on debug\nkernels or a NULL pointer dereference otherwise."
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      "title": "scsi: mpt3sas: Avoid freeing unallocated PCIe SGL buffers",
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}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.