Vulnerability-Lookup

GHSA-J6Q7-JCX4-9HR4

Vulnerability from github – Published: 2026-03-25 12:30 – Updated: 2026-03-25 12:30

Details

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.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-23335"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-25T11:16:31Z",
    "severity": null
  },
  "details": "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.",
  "id": "GHSA-j6q7-jcx4-9hr4",
  "modified": "2026-03-25T12:30:23Z",
  "published": "2026-03-25T12:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23335"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74586c6da9ea222a61c98394f2fc0a604748438c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c9bd0007c4bdb7806bbd323287e50f9cf467c51a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cfe962216c164fe2b1c1fb6ac925a7413f5abc84"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

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

Vulnerability from cvelistv5 – Published: 2026-03-25 10:27 – Updated: 2026-03-25 10:27

Title

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

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.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	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

Vendor

Product

Version

Linux

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

Affected: 5.14
Unaffected: 0 , < 5.14 (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-rc2 , ≤ * (original_commit_for_fix)

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{
  "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": "14b47c07c69930254f549a17ee245c80a65b1609",
              "status": "affected",
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              "versionType": "git"
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              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
              "lessThan": "2fd37450d271d74b3847baed284f9cfdf198c6f8",
              "status": "affected",
              "version": "b48c24c2d710cf34810c555dcef883a3d35a9c08",
              "versionType": "git"
            },
            {
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              "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": "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-rc2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "5.14",
                  "vulnerable": true
                },
                {
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                },
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                },
                {
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                  "versionStartIncluding": "5.14",
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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "vulnerable": true
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
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      "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": "2026-03-25T10:27:25.418Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/14b47c07c69930254f549a17ee245c80a65b1609"
        },
        {
          "url": "https://git.kernel.org/stable/c/1b1fac4c7a3ab7f52e9cfb91e5c91216646ca4d8"
        },
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          "url": "https://git.kernel.org/stable/c/2fd37450d271d74b3847baed284f9cfdf198c6f8"
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        },
        {
          "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": "2026-03-25T10:27:25.418Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-J6Q7-JCX4-9HR4

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

Tags

Sightings

Nomenclature