{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-31522",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-03-09T15:48:24.110Z",
        "datePublished": "2026-04-22T13:54:36.885Z",
        "dateUpdated": "2026-05-23T16:05:16.510Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T16:05:16.510Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: magicmouse: avoid memory leak in magicmouse_report_fixup()\n\nThe magicmouse_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."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/hid/hid-magicmouse.c"
                    ],
                    "versions": [
                        {
                            "version": "e6ad399596bd234be4722022146e33e15c7e424d",
                            "lessThan": "579c4c9857acdc8380fa99803f355f878bd766cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b91b4e4dae63cd43871fc2012370b86ee588f91",
                            "lessThan": "d84c21aabaab517b9aaf9bc1d785922cb9db2f31",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b91b4e4dae63cd43871fc2012370b86ee588f91",
                            "lessThan": "7edfe4346b052b708645d0acc0f186425766b785",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b91b4e4dae63cd43871fc2012370b86ee588f91",
                            "lessThan": "79e5dcc95d9abed6f8203cfd529f4ec71f0e505d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b91b4e4dae63cd43871fc2012370b86ee588f91",
                            "lessThan": "136f605e246b4bfe7ac2259471d1ff814aed0084",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b91b4e4dae63cd43871fc2012370b86ee588f91",
                            "lessThan": "fa95b0146358b49f9858139b67314591fd5871b0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0b91b4e4dae63cd43871fc2012370b86ee588f91",
                            "lessThan": "91e8c6e601bdc1ccdf886479b6513c01c7e51c2c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c394bd1bc8537e61593b6b6799e01495c7cf9008",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.15.17",
                            "lessThan": "5.15.203",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.16.3",
                            "lessThan": "5.17",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/hid/hid-magicmouse.c"
                    ],
                    "versions": [
                        {
                            "version": "5.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.131",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.17",
                                    "versionEndExcluding": "5.15.203"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.17",
                                    "versionEndExcluding": "6.1.168"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.17",
                                    "versionEndExcluding": "6.6.131"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.17",
                                    "versionEndExcluding": "6.12.80"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.17",
                                    "versionEndExcluding": "6.18.21"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.17",
                                    "versionEndExcluding": "6.19.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.17",
                                    "versionEndExcluding": "7.0"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/579c4c9857acdc8380fa99803f355f878bd766cb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d84c21aabaab517b9aaf9bc1d785922cb9db2f31"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7edfe4346b052b708645d0acc0f186425766b785"
                },
                {
                    "url": "https://git.kernel.org/stable/c/79e5dcc95d9abed6f8203cfd529f4ec71f0e505d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/136f605e246b4bfe7ac2259471d1ff814aed0084"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fa95b0146358b49f9858139b67314591fd5871b0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/91e8c6e601bdc1ccdf886479b6513c01c7e51c2c"
                }
            ],
            "title": "HID: magicmouse: avoid memory leak in magicmouse_report_fixup()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}