Vulnerability-Lookup

GHSA-Q2XH-VWFQ-MWPC

Vulnerability from github – Published: 2026-04-24 15:32 – Updated: 2026-04-24 15:32

Details

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

rxrpc: fix reference count leak in rxrpc_server_keyring()

This patch fixes a reference count leak in rxrpc_server_keyring() by checking if rx->securities is already set.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-31634"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-24T15:16:42Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: fix reference count leak in rxrpc_server_keyring()\n\nThis patch fixes a reference count leak in rxrpc_server_keyring()\nby checking if rx-\u003esecurities is already set.",
  "id": "GHSA-q2xh-vwfq-mwpc",
  "modified": "2026-04-24T15:32:36Z",
  "published": "2026-04-24T15:32:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31634"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/12de9e0e0b0b7058be7dfb8a5927eb565bc25780"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/139c750bf06649097d98b0bc41e2a678b4627e27"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9ce36d28f67c2a477a7e2f03480de3f6783fb363"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f125846ee79fcae537a964ce66494e96fa54a6de"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc76d0bd00850b7372f0a4a319c0c60f80487632"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-31634 (GCVE-0-2026-31634)

Vulnerability from cvelistv5 – Published: 2026-04-24 14:44 – Updated: 2026-04-24 14:44

Title

rxrpc: fix reference count leak in rxrpc_server_keyring()

Summary

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix reference count leak in rxrpc_server_keyring() This patch fixes a reference count leak in rxrpc_server_keyring() by checking if rx->securities is already set.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/fc76d0bd00850b737…
	https://git.kernel.org/stable/c/c6d9ea26cf8756ad6…
	https://git.kernel.org/stable/c/9ce36d28f67c2a477…
	https://git.kernel.org/stable/c/12de9e0e0b0b7058b…
	https://git.kernel.org/stable/c/8ee931c3cd97f1c42…
	https://git.kernel.org/stable/c/139c750bf06649097…
	https://git.kernel.org/stable/c/f125846ee79fcae53…

Impacted products

Vendor

Product

Version

Linux

Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < fc76d0bd00850b7372f0a4a319c0c60f80487632 (git)
Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2 (git)
Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < 9ce36d28f67c2a477a7e2f03480de3f6783fb363 (git)
Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < 12de9e0e0b0b7058be7dfb8a5927eb565bc25780 (git)
Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < 8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a (git)
Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < 139c750bf06649097d98b0bc41e2a678b4627e27 (git)
Affected: 17926a79320afa9b95df6b977b40cca6d8713cea , < f125846ee79fcae537a964ce66494e96fa54a6de (git)

Linux

Affected: 2.6.22
Unaffected: 0 , < 2.6.22 (semver)
Unaffected: 5.15.203 , ≤ 5.15.* (semver)
Unaffected: 6.1.169 , ≤ 6.1.* (semver)
Unaffected: 6.6.135 , ≤ 6.6.* (semver)
Unaffected: 6.12.82 , ≤ 6.12.* (semver)
Unaffected: 6.18.23 , ≤ 6.18.* (semver)
Unaffected: 6.19.13 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/server_key.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "fc76d0bd00850b7372f0a4a319c0c60f80487632",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "9ce36d28f67c2a477a7e2f03480de3f6783fb363",
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              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
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              "versionType": "git"
            },
            {
              "lessThan": "8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "139c750bf06649097d98b0bc41e2a678b4627e27",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            },
            {
              "lessThan": "f125846ee79fcae537a964ce66494e96fa54a6de",
              "status": "affected",
              "version": "17926a79320afa9b95df6b977b40cca6d8713cea",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/server_key.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.22"
            },
            {
              "lessThan": "2.6.22",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.203",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.169",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.135",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.82",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.23",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.13",
              "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": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.169",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.135",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.82",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.23",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.13",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "2.6.22",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: fix reference count leak in rxrpc_server_keyring()\n\nThis patch fixes a reference count leak in rxrpc_server_keyring()\nby checking if rx-\u003esecurities is already set."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-24T14:44:49.307Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fc76d0bd00850b7372f0a4a319c0c60f80487632"
        },
        {
          "url": "https://git.kernel.org/stable/c/c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2"
        },
        {
          "url": "https://git.kernel.org/stable/c/9ce36d28f67c2a477a7e2f03480de3f6783fb363"
        },
        {
          "url": "https://git.kernel.org/stable/c/12de9e0e0b0b7058be7dfb8a5927eb565bc25780"
        },
        {
          "url": "https://git.kernel.org/stable/c/8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a"
        },
        {
          "url": "https://git.kernel.org/stable/c/139c750bf06649097d98b0bc41e2a678b4627e27"
        },
        {
          "url": "https://git.kernel.org/stable/c/f125846ee79fcae537a964ce66494e96fa54a6de"
        }
      ],
      "title": "rxrpc: fix reference count leak in rxrpc_server_keyring()",
      "x_generator": {
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31634",
    "datePublished": "2026-04-24T14:44:49.307Z",
    "dateReserved": "2026-03-09T15:48:24.125Z",
    "dateUpdated": "2026-04-24T14:44:49.307Z",
    "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-Q2XH-VWFQ-MWPC

CVE-2026-31634 (GCVE-0-2026-31634)

Tags

Sightings

Nomenclature