Vulnerability-Lookup

GHSA-J7QM-9792-FVR5

Vulnerability from github – Published: 2026-04-22 15:31 – Updated: 2026-04-28 18:30

Details

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

HID: apple: avoid memory leak in apple_report_fixup()

The apple_report_fixup() function was returning a newly kmemdup()-allocated buffer, but never freeing it.

The caller of report_fixup() does not take ownership of the returned pointer, but it is permitted to return a sub-portion of the input rdesc, whose lifetime is managed by the caller.

Severity ?

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-31520"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-401"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-04-22T14:16:51Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: apple: avoid memory leak in apple_report_fixup()\n\nThe apple_report_fixup() function was returning a\nnewly kmemdup()-allocated buffer, but never freeing it.\n\nThe caller of report_fixup() does not take ownership of the returned\npointer, but it *is* permitted to return a sub-portion of the input\nrdesc, whose lifetime is managed by the caller.",
  "id": "GHSA-j7qm-9792-fvr5",
  "modified": "2026-04-28T18:30:29Z",
  "published": "2026-04-22T15:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31520"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/239c15116d80f67d32f00acc34575f1a6b699613"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2635d0c715f3fb177e0f80ecd5fa48feb6bf3884"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/31860c3f7ac66ab897a8c90dc4e74fa17ca0b624"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be1a341c161430282acdfe2ac99b413271575cf1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e2f090aeb7b9930a964e151910f4d45b04c8a7e5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e652ebd29928181c3e6820e303da25873e9917d4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-31520 (GCVE-0-2026-31520)

Vulnerability from cvelistv5 – Published: 2026-04-22 13:54 – Updated: 2026-04-23 15:18

Title

HID: apple: avoid memory leak in apple_report_fixup()

Summary

In the Linux kernel, the following vulnerability has been resolved: HID: apple: avoid memory leak in apple_report_fixup() The apple_report_fixup() function was returning a newly kmemdup()-allocated buffer, but never freeing it. The caller of report_fixup() does not take ownership of the returned pointer, but it *is* permitted to return a sub-portion of the input rdesc, whose lifetime is managed by the caller.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/e2f090aeb7b9930a9…
	https://git.kernel.org/stable/c/2635d0c715f3fb177…
	https://git.kernel.org/stable/c/31860c3f7ac66ab89…
	https://git.kernel.org/stable/c/be1a341c161430282…
	https://git.kernel.org/stable/c/e652ebd29928181c3…
	https://git.kernel.org/stable/c/239c15116d80f67d3…

Impacted products

Vendor

Product

Version

Linux

Affected: 6e143293e17a73c9313f91c5ca3aaacbaef030cf , < e2f090aeb7b9930a964e151910f4d45b04c8a7e5 (git)
Affected: 6e143293e17a73c9313f91c5ca3aaacbaef030cf , < 2635d0c715f3fb177e0f80ecd5fa48feb6bf3884 (git)
Affected: 6e143293e17a73c9313f91c5ca3aaacbaef030cf , < 31860c3f7ac66ab897a8c90dc4e74fa17ca0b624 (git)
Affected: 6e143293e17a73c9313f91c5ca3aaacbaef030cf , < be1a341c161430282acdfe2ac99b413271575cf1 (git)
Affected: 6e143293e17a73c9313f91c5ca3aaacbaef030cf , < e652ebd29928181c3e6820e303da25873e9917d4 (git)
Affected: 6e143293e17a73c9313f91c5ca3aaacbaef030cf , < 239c15116d80f67d32f00acc34575f1a6b699613 (git)

Linux

Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.1.168 , ≤ 6.1.* (semver)
Unaffected: 6.6.131 , ≤ 6.6.* (semver)
Unaffected: 6.12.80 , ≤ 6.12.* (semver)
Unaffected: 6.18.21 , ≤ 6.18.* (semver)
Unaffected: 6.19.11 , ≤ 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/hid/hid-apple.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e2f090aeb7b9930a964e151910f4d45b04c8a7e5",
              "status": "affected",
              "version": "6e143293e17a73c9313f91c5ca3aaacbaef030cf",
              "versionType": "git"
            },
            {
              "lessThan": "2635d0c715f3fb177e0f80ecd5fa48feb6bf3884",
              "status": "affected",
              "version": "6e143293e17a73c9313f91c5ca3aaacbaef030cf",
              "versionType": "git"
            },
            {
              "lessThan": "31860c3f7ac66ab897a8c90dc4e74fa17ca0b624",
              "status": "affected",
              "version": "6e143293e17a73c9313f91c5ca3aaacbaef030cf",
              "versionType": "git"
            },
            {
              "lessThan": "be1a341c161430282acdfe2ac99b413271575cf1",
              "status": "affected",
              "version": "6e143293e17a73c9313f91c5ca3aaacbaef030cf",
              "versionType": "git"
            },
            {
              "lessThan": "e652ebd29928181c3e6820e303da25873e9917d4",
              "status": "affected",
              "version": "6e143293e17a73c9313f91c5ca3aaacbaef030cf",
              "versionType": "git"
            },
            {
              "lessThan": "239c15116d80f67d32f00acc34575f1a6b699613",
              "status": "affected",
              "version": "6e143293e17a73c9313f91c5ca3aaacbaef030cf",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/hid/hid-apple.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.17"
            },
            {
              "lessThan": "5.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.168",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.131",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.80",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.21",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.11",
              "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": "6.1.168",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.131",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.80",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.21",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.11",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0",
                  "versionStartIncluding": "5.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: apple: avoid memory leak in apple_report_fixup()\n\nThe apple_report_fixup() function was returning a\nnewly kmemdup()-allocated buffer, but never freeing it.\n\nThe caller of report_fixup() does not take ownership of the returned\npointer, but it *is* permitted to return a sub-portion of the input\nrdesc, whose lifetime is managed by the caller."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-23T15:18:37.518Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e2f090aeb7b9930a964e151910f4d45b04c8a7e5"
        },
        {
          "url": "https://git.kernel.org/stable/c/2635d0c715f3fb177e0f80ecd5fa48feb6bf3884"
        },
        {
          "url": "https://git.kernel.org/stable/c/31860c3f7ac66ab897a8c90dc4e74fa17ca0b624"
        },
        {
          "url": "https://git.kernel.org/stable/c/be1a341c161430282acdfe2ac99b413271575cf1"
        },
        {
          "url": "https://git.kernel.org/stable/c/e652ebd29928181c3e6820e303da25873e9917d4"
        },
        {
          "url": "https://git.kernel.org/stable/c/239c15116d80f67d32f00acc34575f1a6b699613"
        }
      ],
      "title": "HID: apple: avoid memory leak in apple_report_fixup()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31520",
    "datePublished": "2026-04-22T13:54:35.534Z",
    "dateReserved": "2026-03-09T15:48:24.108Z",
    "dateUpdated": "2026-04-23T15:18:37.518Z",
    "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

GHSA-J7QM-9792-FVR5

CVE-2026-31520 (GCVE-0-2026-31520)

Tags

Sightings

Nomenclature