{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50329",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T14:18:36.815Z",
        "datePublished": "2025-09-15T14:49:32.123Z",
        "dateUpdated": "2026-05-11T19:17:20.940Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:17:20.940Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq\n\nCommit 64dc8c732f5c (\"block, bfq: fix possible uaf for 'bfqq->bic'\")\nwill access 'bic->bfqq' in bic_set_bfqq(), however, bfq_exit_icq_bfqq()\ncan free bfqq first, and then call bic_set_bfqq(), which will cause uaf.\n\nFix the problem by moving bfq_exit_bfqq() behind bic_set_bfqq()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/bfq-iosched.c"
                    ],
                    "versions": [
                        {
                            "version": "5533742c7cb1bc9b1f0bf401cc397d44a3a9e07a",
                            "lessThan": "1425f1bb5df5239021fd09ebc2a5e8070e705d36",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "094f3d9314d67691cb21ba091c1b528f6e3c4893",
                            "lessThan": "7949b0df3dd9f4817ed4a4e989fa9ee81df6205f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b22fd72bfebda3956efc4431b60ddfc0a51e03e0",
                            "lessThan": "cfe5b38c37720313eff0dec5517442c7ab3c9a20",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "761564d93c8265f65543acf0a576b32d66bfa26a",
                            "lessThan": "1ed959fef5b1c6f1a7a3fbea543698c30ebd6678",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "64dc8c732f5c2b406cc752e6aaa1bd5471159cab",
                            "lessThan": "246cf66e300b76099b5dbd3fdd39e9a5dbc53f02",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/bfq-iosched.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15.86",
                            "lessThan": "5.15.87",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThan": "6.0.17",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThan": "6.1.3",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15.86",
                                    "versionEndExcluding": "5.15.87"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0.16",
                                    "versionEndExcluding": "6.0.17"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.1.2",
                                    "versionEndExcluding": "6.1.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1425f1bb5df5239021fd09ebc2a5e8070e705d36"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7949b0df3dd9f4817ed4a4e989fa9ee81df6205f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cfe5b38c37720313eff0dec5517442c7ab3c9a20"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1ed959fef5b1c6f1a7a3fbea543698c30ebd6678"
                },
                {
                    "url": "https://git.kernel.org/stable/c/246cf66e300b76099b5dbd3fdd39e9a5dbc53f02"
                }
            ],
            "title": "block, bfq: fix uaf for bfqq in bfq_exit_icq_bfqq",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}