Vulnerability-Lookup

GHSA-3Q83-FFW9-5J7C

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:

afs: Fix misplaced inc of net->cells_outstanding

Fix net->cells_outstanding being incremented before the check for failure of idr_alloc_cyclic(), leaving the count incremented on error.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-72376"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:22:11Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nafs: Fix misplaced inc of net-\u003ecells_outstanding\n\nFix net-\u003ecells_outstanding being incremented before the check for failure\nof idr_alloc_cyclic(), leaving the count incremented on error.",
  "id": "GHSA-3q83-ffw9-5j7c",
  "modified": "2026-08-15T06:32:22Z",
  "published": "2026-08-15T06:32:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-72376"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5ea289ca751c47125f6a4138c93ba10c05cd28f0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/654a546c34f3921dd03f9ea74e60139ebffd9e20"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6e310f818abcef947a06584158b9e6c6cd0c98d3"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c9c3b615a462a4023bd148f02c564e175ed10502"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-72376 (GCVE-0-2026-72376)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:56 – Updated: 2026-08-17 05:13

Title

afs: Fix misplaced inc of net->cells_outstanding

Summary

In the Linux kernel, the following vulnerability has been resolved: afs: Fix misplaced inc of net->cells_outstanding Fix net->cells_outstanding being incremented before the check for failure of idr_alloc_cyclic(), leaving the count incremented on error.

Severity

No CVSS data available.

Assigner

Linux mitre root

References

4 references

URL	Tags
https://git.kernel.org/stable/c/6e310f818abcef947…
https://git.kernel.org/stable/c/5ea289ca751c47125…
https://git.kernel.org/stable/c/654a546c34f3921dd…
https://git.kernel.org/stable/c/c9c3b615a462a4023…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 88c853c3f5c0a07c5db61b494ee25152535cfeee , < 6e310f818abcef947a06584158b9e6c6cd0c98d3 (git) Affected: 88c853c3f5c0a07c5db61b494ee25152535cfeee , < 5ea289ca751c47125f6a4138c93ba10c05cd28f0 (git) Affected: 88c853c3f5c0a07c5db61b494ee25152535cfeee , < 654a546c34f3921dd03f9ea74e60139ebffd9e20 (git) Affected: 88c853c3f5c0a07c5db61b494ee25152535cfeee , < c9c3b615a462a4023bd148f02c564e175ed10502 (git) Affected: e44b8d2aa1543f5c554fda7839574abe8a5ef5ba (git) Affected: f339eda9b90e49e82043c145ac628d679d913638 (git) Affected: 5.8.17 , < 5.9 (semver) Affected: 5.9.2 , < 5.10 (semver)
Linux	Linux	Affected: 5.10 Unaffected: 0 , < 5.10 (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": [
            "fs/afs/cell.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "6e310f818abcef947a06584158b9e6c6cd0c98d3",
              "status": "affected",
              "version": "88c853c3f5c0a07c5db61b494ee25152535cfeee",
              "versionType": "git"
            },
            {
              "lessThan": "5ea289ca751c47125f6a4138c93ba10c05cd28f0",
              "status": "affected",
              "version": "88c853c3f5c0a07c5db61b494ee25152535cfeee",
              "versionType": "git"
            },
            {
              "lessThan": "654a546c34f3921dd03f9ea74e60139ebffd9e20",
              "status": "affected",
              "version": "88c853c3f5c0a07c5db61b494ee25152535cfeee",
              "versionType": "git"
            },
            {
              "lessThan": "c9c3b615a462a4023bd148f02c564e175ed10502",
              "status": "affected",
              "version": "88c853c3f5c0a07c5db61b494ee25152535cfeee",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e44b8d2aa1543f5c554fda7839574abe8a5ef5ba",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f339eda9b90e49e82043c145ac628d679d913638",
              "versionType": "git"
            },
            {
              "lessThan": "5.9",
              "status": "affected",
              "version": "5.8.17",
              "versionType": "semver"
            },
            {
              "lessThan": "5.10",
              "status": "affected",
              "version": "5.9.2",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/afs/cell.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "5.10",
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                },
                {
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                  "versionStartIncluding": "5.8.17",
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                },
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                  "versionStartIncluding": "5.9.2",
                  "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\nafs: Fix misplaced inc of net-\u003ecells_outstanding\n\nFix net-\u003ecells_outstanding being incremented before the check for failure\nof idr_alloc_cyclic(), leaving the count incremented on error."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:13:28.597Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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        },
        {
          "url": "https://git.kernel.org/stable/c/5ea289ca751c47125f6a4138c93ba10c05cd28f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/654a546c34f3921dd03f9ea74e60139ebffd9e20"
        },
        {
          "url": "https://git.kernel.org/stable/c/c9c3b615a462a4023bd148f02c564e175ed10502"
        }
      ],
      "title": "afs: Fix misplaced inc of net-\u003ecells_outstanding",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72376",
    "datePublished": "2026-08-15T05:56:10.401Z",
    "dateReserved": "2026-08-09T03:40:39.922Z",
    "dateUpdated": "2026-08-17T05:13:28.597Z",
    "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.

Action not permitted

GHSA-3Q83-FFW9-5J7C

CVE-2026-72376 (GCVE-0-2026-72376)

Tags

Sightings

Nomenclature