CVE-2026-46145 (GCVE-0-2026-46145)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-07-15 00:51
VLAI
Title
RDMA/mana: Validate rx_hash_key_len
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko points out that rx_hash_key_len comes from a uAPI structure and is blindly passed to memcpy, allowing the userspace to trash kernel memory. Bounds check it so the memcpy cannot overflow.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 7d7c9f0fcd19c4d2f0164347c58d49cafa961b72 (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 11c1431d641e0e4e0529e96957995820600c7287 (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 012796f9541fcd0c1fa8ae4da7eb4d83931ef838 (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 7d94f155f354b961c598f71bafa804dceded513f (git)
Affected: 0266a177631d4c6b963b5b12dd986a8c5abdbf06 , < 6dd2d4ad9c8429523b1c220c5132bd551c006425 (git)
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Linux Linux Affected: 6.2
Unaffected: 0 , < 6.2 (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.88 , ≤ 6.12.* (semver)
Unaffected: 6.18.30 , ≤ 6.18.* (semver)
Unaffected: 7.0.7 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
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Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:6.12.0-211.28.1.el10_2 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-553.136.1.rt7.477.el8_10 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:8::nfv
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Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-553.136.1.el8_10 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-687.17.1.el9_8 , < * (rpm)
    cpe:/a:redhat:enterprise_linux:9
    cpe:/o:redhat:enterprise_linux:9
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-30T03:47:00+00:00",
      "cve": "CVE-2026-46145",
      "id": "CVE-2026-46145",
      "initial_release_date": "2026-05-28T00:00:00+00:00",
      "product_status:fixed": "762",
      "product_status:known_affected": "22",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: RDMA/mana: Validate rx_hash_key_len",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-46145.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-07-15T18:51:11Z",
      "cve": "CVE-2026-46145",
      "id": "CVE-2026-46145",
      "initial_release_date": "2026-05-29T01:16:19Z",
      "product_status:known_affected": "118",
      "product_status:known_not_affected": "175",
      "product_status:recommended": "107",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-46145",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-46145.json",
      "version": "8"
    }
  }
}



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Tags
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.


Detection rules are retrieved from Rulezet.