{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50855",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.135Z",
        "datePublished": "2025-12-30T12:15:30.481Z",
        "dateUpdated": "2026-05-11T19:26:25.459Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:26:25.459Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: prevent leak of lsm program after failed attach\n\nIn [0], we added the ability to bpf_prog_attach LSM programs to cgroups,\nbut in our validation to make sure the prog is meant to be attached to\nBPF_LSM_CGROUP, we return too early if the check fails. This results in\nlack of decrementing prog's refcnt (through bpf_prog_put)\nleaving the LSM program alive past the point of the expected lifecycle.\nThis fix allows for the decrement to take place.\n\n[0] https://lore.kernel.org/all/20220628174314.1216643-4-sdf@google.com/"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/bpf/syscall.c"
                    ],
                    "versions": [
                        {
                            "version": "69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e",
                            "lessThan": "82b39df5ddb298daaf6dc504032ff7eb027fa106",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e",
                            "lessThan": "6a1504dd36cd9a0a69250d61da8bdb17b29f1fe8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69fd337a975c7e690dfe49d9cb4fe5ba1e6db44e",
                            "lessThan": "e89f3edffb860a0f54a9ed16deadb7a4a1fa3862",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "kernel/bpf/syscall.c"
                    ],
                    "versions": [
                        {
                            "version": "6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "6.0",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.1.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/82b39df5ddb298daaf6dc504032ff7eb027fa106"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a1504dd36cd9a0a69250d61da8bdb17b29f1fe8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e89f3edffb860a0f54a9ed16deadb7a4a1fa3862"
                }
            ],
            "title": "bpf: prevent leak of lsm program after failed attach",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}