Vulnerability-Lookup

GHSA-MHVF-J96M-638Q

Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-15 06:32

Details

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

rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)

Fix rxrpc_recvmsg() to also drop the ref it holds on an already-released call if MSG_PEEK is in force (the function holds a ref on the call irrespective of whether MSG_PEEK is specified or not).

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{
  "affected": [],
  "aliases": [
    "CVE-2026-74432"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:22:45Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix leak of released call in recvmsg(MSG_PEEK)\n\nFix rxrpc_recvmsg() to also drop the ref it holds on an already-released\ncall if MSG_PEEK is in force (the function holds a ref on the call\nirrespective of whether MSG_PEEK is specified or not).",
  "id": "GHSA-mhvf-j96m-638q",
  "modified": "2026-08-15T06:32:33Z",
  "published": "2026-08-15T06:32:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74432"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04c7103dc0923cc6ac95b97aa66bab70da7ace84"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/86eff3140c9d4b52bba13d1cba266da933403e51"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e473cd3046a1aaec1e39af5df2042ce7c04d5e74"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-74432 (GCVE-0-2026-74432)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:59 – Updated: 2026-08-23 12:47

Title

rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)

Summary

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix leak of released call in recvmsg(MSG_PEEK) Fix rxrpc_recvmsg() to also drop the ref it holds on an already-released call if MSG_PEEK is in force (the function holds a ref on the call irrespective of whether MSG_PEEK is specified or not).

Severity

No CVSS data available.

Assigner

Linux mitre root

References

5 references

URL	Tags
https://git.kernel.org/stable/c/86eff3140c9d4b52b…
https://git.kernel.org/stable/c/e473cd3046a1aaec1…
https://git.kernel.org/stable/c/2b69b61057eb0b3db…
https://git.kernel.org/stable/c/04c7103dc0923cc6a…
https://git.kernel.org/stable/c/4bdb9e471f5b1ac9c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 7692bde890061797f3dece0148d7859e85c55778 , < 86eff3140c9d4b52bba13d1cba266da933403e51 (git) Affected: 839fe96c15209dc2255c064bb44b636efe04f032 , < e473cd3046a1aaec1e39af5df2042ce7c04d5e74 (git) Affected: 962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc , < 2b69b61057eb0b3db9ad754ef0f1436b7af3a9f5 (git) Affected: 962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc , < 04c7103dc0923cc6ac95b97aa66bab70da7ace84 (git) Affected: 962fb1f651c2cf2083e0c3ef53ba69e3b96d3fbc , < 4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c (git) Affected: 4aed0eeca58e26d752bb08b293b8dc75c6820b23 (git) Affected: 6c75a97a32a5fa2060c3dd30207e63b6914b606d (git) Affected: 6.6.100 , < 6.6.145 (semver) Affected: 6.12.40 , < 6.12.97 (semver) Affected: 5.10.266 , < 5.11 (semver) Affected: 6.15.8 , < 6.16 (semver)
Linux	Linux	Affected: 6.16 Unaffected: 0 , < 6.16 (semver) Unaffected: 6.6.145 , ≤ 6.6.* (semver) Unaffected: 6.12.97 , ≤ 6.12.* (semver) Unaffected: 6.18.40 , ≤ 6.18.* (semver) Unaffected: 7.1.5 , ≤ 7.1.* (semver) Unaffected: 7.2 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/rxrpc/recvmsg.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            },
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              "status": "affected",
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            },
            {
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              "version": "4aed0eeca58e26d752bb08b293b8dc75c6820b23",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6c75a97a32a5fa2060c3dd30207e63b6914b606d",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "6.6.100",
              "versionType": "semver"
            },
            {
              "lessThan": "6.12.97",
              "status": "affected",
              "version": "6.12.40",
              "versionType": "semver"
            },
            {
              "lessThan": "5.11",
              "status": "affected",
              "version": "5.10.266",
              "versionType": "semver"
            },
            {
              "lessThan": "6.16",
              "status": "affected",
              "version": "6.15.8",
              "versionType": "semver"
            }
          ]
        },
        {
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          "programFiles": [
            "net/rxrpc/recvmsg.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.16"
            },
            {
              "lessThan": "6.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "6.15.8",
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        {
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix leak of released call in recvmsg(MSG_PEEK)\n\nFix rxrpc_recvmsg() to also drop the ref it holds on an already-released\ncall if MSG_PEEK is in force (the function holds a ref on the call\nirrespective of whether MSG_PEEK is specified or not)."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-23T12:47:15.670Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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        {
          "url": "https://git.kernel.org/stable/c/4bdb9e471f5b1ac9cbe4add5de7ff085a0ec303c"
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    "datePublished": "2026-08-15T05:59:32.207Z",
    "dateReserved": "2026-08-15T05:44:03.896Z",
    "dateUpdated": "2026-08-23T12:47:15.670Z",
    "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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

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GHSA-MHVF-J96M-638Q

CVE-2026-74432 (GCVE-0-2026-74432)

Tags

Sightings

Nomenclature