Vulnerability-Lookup

FKIE_CVE-2026-46127

Vulnerability from fkie_nvd - Published: 2026-05-28 10:16 - Updated: 2026-05-28 13:44

Severity

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.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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": "CVE-2026-46127",
  "lastModified": "2026-05-28T13:44:01.663",
  "metrics": {},
  "published": "2026-05-28T10:16:28.250",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

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

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)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e01a957561f663d3b68d2fd233a4502e3367efcd",
              "status": "affected",
              "version": "fe2caefcdf5869f308c102e3d64d40683bfad711",
              "versionType": "git"
            },
            {
              "lessThan": "75fc130664ae324e7b2f9ad3630e0f175e9ca6c8",
              "status": "affected",
              "version": "fe2caefcdf5869f308c102e3d64d40683bfad711",
              "versionType": "git"
            },
            {
              "lessThan": "8832626a483439e207734e027afff322ccdf726e",
              "status": "affected",
              "version": "fe2caefcdf5869f308c102e3d64d40683bfad711",
              "versionType": "git"
            },
            {
              "lessThan": "ec44c00a4fe1327efa35083f98b39c01cb535a51",
              "status": "affected",
              "version": "fe2caefcdf5869f308c102e3d64d40683bfad711",
              "versionType": "git"
            },
            {
              "lessThan": "34fbf48cf3b410d2a6e8c586fa952a36331ca5ba",
              "status": "affected",
              "version": "fe2caefcdf5869f308c102e3d64d40683bfad711",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/ocrdma/ocrdma_verbs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.5"
            },
            {
              "lessThan": "3.5",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "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"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "3.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "3.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.30",
                  "versionStartIncluding": "3.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.7",
                  "versionStartIncluding": "3.5",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc3",
                  "versionStartIncluding": "3.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-28T09:35:42.368Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e01a957561f663d3b68d2fd233a4502e3367efcd"
        },
        {
          "url": "https://git.kernel.org/stable/c/75fc130664ae324e7b2f9ad3630e0f175e9ca6c8"
        },
        {
          "url": "https://git.kernel.org/stable/c/8832626a483439e207734e027afff322ccdf726e"
        },
        {
          "url": "https://git.kernel.org/stable/c/ec44c00a4fe1327efa35083f98b39c01cb535a51"
        },
        {
          "url": "https://git.kernel.org/stable/c/34fbf48cf3b410d2a6e8c586fa952a36331ca5ba"
        }
      ],
      "title": "RDMA/ocrdma: Don\u0027t NULL deref uctx on errors in ocrdma_copy_pd_uresp()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46127",
    "datePublished": "2026-05-28T09:35:42.368Z",
    "dateReserved": "2026-05-13T15:03:33.099Z",
    "dateUpdated": "2026-05-28T09:35:42.368Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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

FKIE_CVE-2026-46127

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

Tags

Sightings

Nomenclature