CVE-2026-64020 (GCVE-0-2026-64020)

Vulnerability from cvelistv5 – Published: 2026-07-19 15:39 – Updated: 2026-07-20 13:42
VLAI
Title
nvme-pci: fix dma_vecs leak on p2p memory
Summary
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix dma_vecs leak on p2p memory We don't unmap P2P memory, so we don't need to track it. The dma_vec allocation was getting leaked on the completion.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b8b7570a7ec872f2a27b775c4f8710ca8a357adf , < 24ea0de233d9ebb5ebd6f6018eaf2084af25e3dd (git)
Affected: b8b7570a7ec872f2a27b775c4f8710ca8a357adf , < 85686c72966c5ee637893f124ddb31a1cace7bee (git)
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Linux Linux Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 7.0.11 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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          "programFiles": [
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    "dateReserved": "2026-07-19T07:54:57.027Z",
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    "state": "PUBLISHED"
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  }
}



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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

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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.


Detection rules are retrieved from Rulezet.