Vulnerability-Lookup

GHSA-3VV3-57G4-WH3P

Vulnerability from github – Published: 2026-05-28 12:30 – Updated: 2026-05-28 12:30

Details

In the Linux kernel, the following vulnerability has been resolved:

RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()

Sashiko points out that pd->uctx isn't initialized until late in the function so all these error flow references are NULL and will crash. Use the uctx that isn't NULL.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-46127"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-28T10:16:28Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/ocrdma: Don\u0027t NULL deref uctx on errors in ocrdma_copy_pd_uresp()\n\nSashiko points out that pd-\u003euctx isn\u0027t initialized until late in the\nfunction so all these error flow references are NULL and will crash. Use\nthe uctx that isn\u0027t NULL.",
  "id": "GHSA-3vv3-57g4-wh3p",
  "modified": "2026-05-28T12:30:30Z",
  "published": "2026-05-28T12:30:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46127"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-46127 (GCVE-0-2026-46127)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:35 – Updated: 2026-05-28 09:35

Title

RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp()

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/ocrdma: Don't NULL deref uctx on errors in ocrdma_copy_pd_uresp() Sashiko points out that pd->uctx isn't initialized until late in the function so all these error flow references are NULL and will crash. Use the uctx that isn't NULL.

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/e01a957561f663d3b…
https://git.kernel.org/stable/c/75fc130664ae324e7…
https://git.kernel.org/stable/c/8832626a483439e20…
https://git.kernel.org/stable/c/ec44c00a4fe1327ef…
https://git.kernel.org/stable/c/34fbf48cf3b410d2a…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: fe2caefcdf5869f308c102e3d64d40683bfad711 , < e01a957561f663d3b68d2fd233a4502e3367efcd (git) Affected: fe2caefcdf5869f308c102e3d64d40683bfad711 , < 75fc130664ae324e7b2f9ad3630e0f175e9ca6c8 (git) Affected: fe2caefcdf5869f308c102e3d64d40683bfad711 , < 8832626a483439e207734e027afff322ccdf726e (git) Affected: fe2caefcdf5869f308c102e3d64d40683bfad711 , < ec44c00a4fe1327efa35083f98b39c01cb535a51 (git) Affected: fe2caefcdf5869f308c102e3d64d40683bfad711 , < 34fbf48cf3b410d2a6e8c586fa952a36331ca5ba (git)
Linux	Linux	Affected: 3.5 Unaffected: 0 , < 3.5 (semver) Unaffected: 6.6.140 , ≤ 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-rc3 , ≤ * (original_commit_for_fix)

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{
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        {
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          "programFiles": [
            "drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"
          ],
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              "versionType": "git"
            },
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              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc3",
              "versionType": "original_commit_for_fix"
            }
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        }
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      "cpeApplicability": [
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    "dateReserved": "2026-05-13T15:03:33.099Z",
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}

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.

Action not permitted

GHSA-3VV3-57G4-WH3P

CVE-2026-46127 (GCVE-0-2026-46127)

Tags

Sightings

Nomenclature