Vulnerability-Lookup

FKIE_CVE-2026-23335

Vulnerability from fkie_nvd - Published: 2026-03-25 11:16 - Updated: 2026-04-23 21:13

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah() struct irdma_create_ah_resp { // 8 bytes, no padding __u32 ah_id; // offset 0 - SET (uresp.ah_id = ah->sc_ah.ah_info.ah_idx) __u8 rsvd[4]; // offset 4 - NEVER SET <- LEAK }; rsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata(). The reserved members of the structure were not zeroed.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1f70df004fdd944653013ccc2e1dfd472a693b46	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	5.14
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6B079407-83B2-4F8B-863E-9DEB27376206",
              "versionEndExcluding": "5.15.203",
              "versionStartIncluding": "5.14.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2EDC6BAF-B710-4E26-B6AA-D68922EE7B43",
              "versionEndExcluding": "6.1.167",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C57BB918-DF28-46B3-94F7-144176841267",
              "versionEndExcluding": "6.6.130",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B3D12E00-E42D-4056-B354-BAD4903C03A5",
              "versionEndExcluding": "6.12.77",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A5E006E4-59C7-43C1-9231-62A72219F2BA",
              "versionEndExcluding": "6.18.17",
              "versionStartIncluding": "6.13",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "69245D10-0B71-485E-80C3-A64F077004D3",
              "versionEndExcluding": "6.19.7",
              "versionStartIncluding": "6.19",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:*",
              "matchCriteriaId": "6A05198E-F8FA-4517-8D0E-8C95066AED38",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "02259FDA-961B-47BC-AE7F-93D7EC6E90C2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "58A9FEFF-C040-420D-8F0A-BFDAAA1DF258",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*",
              "matchCriteriaId": "1D2315C0-D46F-4F85-9754-F9E5E11374A6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*",
              "matchCriteriaId": "512EE3A8-A590-4501-9A94-5D4B268D6138",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()\n\nstruct irdma_create_ah_resp {  // 8 bytes, no padding\n    __u32 ah_id;               // offset 0 - SET (uresp.ah_id = ah-\u003esc_ah.ah_info.ah_idx)\n    __u8  rsvd[4];             // offset 4 - NEVER SET \u003c- LEAK\n};\n\nrsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata().\n\nThe reserved members of the structure were not zeroed."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nRDMA/irdma: Correcci\u00f3n de fuga de pila del kernel en irdma_create_user_ah()\n\nstruct irdma_create_ah_resp { // 8 bytes, sin relleno\n    __u32 ah_id;               // desplazamiento 0 - ESTABLECIDO (uresp.ah_id = ah-\u0026gt;sc_ah.ah_info.ah_idx)\n    __u8  rsvd[4];             // desplazamiento 4 - NUNCA ESTABLECIDO \u0026lt;- FUGA\n};\n\nrsvd[4]: 4 bytes de memoria de pila filtrados incondicionalmente. Solo ah_id se asigna antes de ib_respond_udata().\n\nLos miembros reservados de la estructura no fueron puestos a cero."
    }
  ],
  "id": "CVE-2026-23335",
  "lastModified": "2026-04-23T21:13:06.170",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2026-03-25T11:16:31.050",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/1f70df004fdd944653013ccc2e1dfd472a693b46"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2026-23335 (GCVE-0-2026-23335)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:27 – Updated: 2026-05-11 22:04

Title

RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/1f70df004fdd94465…
https://git.kernel.org/stable/c/14b47c07c69930254…
https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52…
https://git.kernel.org/stable/c/2fd37450d271d74b3…
https://git.kernel.org/stable/c/cfe962216c164fe2b…
https://git.kernel.org/stable/c/c9bd0007c4bdb7806…
https://git.kernel.org/stable/c/74586c6da9ea222a6…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: b48c24c2d710cf34810c555dcef883a3d35a9c08 , < 1f70df004fdd944653013ccc2e1dfd472a693b46 (git) Affected: b48c24c2d710cf34810c555dcef883a3d35a9c08 , < 14b47c07c69930254f549a17ee245c80a65b1609 (git) Affected: b48c24c2d710cf34810c555dcef883a3d35a9c08 , < 1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8 (git) Affected: b48c24c2d710cf34810c555dcef883a3d35a9c08 , < 2fd37450d271d74b3847baed284f9cfdf198c6f8 (git) Affected: b48c24c2d710cf34810c555dcef883a3d35a9c08 , < cfe962216c164fe2b1c1fb6ac925a7413f5abc84 (git) Affected: b48c24c2d710cf34810c555dcef883a3d35a9c08 , < c9bd0007c4bdb7806bbd323287e50f9cf467c51a (git) Affected: b48c24c2d710cf34810c555dcef883a3d35a9c08 , < 74586c6da9ea222a61c98394f2fc0a604748438c (git)
Linux	Linux	Affected: 5.14 Unaffected: 0 , < 5.14 (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.167 , ≤ 6.1.* (semver) Unaffected: 6.6.130 , ≤ 6.6.* (semver) Unaffected: 6.12.77 , ≤ 6.12.* (semver) Unaffected: 6.18.17 , ≤ 6.18.* (semver) Unaffected: 6.19.7 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/irdma/verbs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1f70df004fdd944653013ccc2e1dfd472a693b46",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
              "lessThan": "14b47c07c69930254f549a17ee245c80a65b1609",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
              "lessThan": "1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
              "lessThan": "2fd37450d271d74b3847baed284f9cfdf198c6f8",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
              "lessThan": "cfe962216c164fe2b1c1fb6ac925a7413f5abc84",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
              "lessThan": "c9bd0007c4bdb7806bbd323287e50f9cf467c51a",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
              "lessThan": "74586c6da9ea222a61c98394f2fc0a604748438c",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/infiniband/hw/irdma/verbs.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.14"
            },
            {
              "lessThan": "5.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.203",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.77",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()\n\nstruct irdma_create_ah_resp {  // 8 bytes, no padding\n    __u32 ah_id;               // offset 0 - SET (uresp.ah_id = ah-\u003esc_ah.ah_info.ah_idx)\n    __u8  rsvd[4];             // offset 4 - NEVER SET \u003c- LEAK\n};\n\nrsvd[4]: 4 bytes of stack memory leaked unconditionally. Only ah_id is assigned before ib_respond_udata().\n\nThe reserved members of the structure were not zeroed."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T22:04:51.125Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1f70df004fdd944653013ccc2e1dfd472a693b46"
        },
        {
          "url": "https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8"
        },
        {
          "url": "https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8"
        },
        {
          "url": "https://git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84"
        },
        {
          "url": "https://git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a"
        },
        {
          "url": "https://git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c"
        }
      ],
      "title": "RDMA/irdma: Fix kernel stack leak in irdma_create_user_ah()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23335",
    "datePublished": "2026-03-25T10:27:25.418Z",
    "dateReserved": "2026-01-13T15:37:45.997Z",
    "dateUpdated": "2026-05-11T22:04:51.125Z",
    "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-2026-23335

CVE-2026-23335 (GCVE-0-2026-23335)

Tags

Sightings

Nomenclature