{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43157",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.990Z",
        "datePublished": "2026-05-06T11:27:37.185Z",
        "dateUpdated": "2026-05-11T22:18:51.830Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:18:51.830Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: CGX: fix bitmap leaks\n\nThe RX/TX flow-control bitmaps (rx_fc_pfvf_bmap and tx_fc_pfvf_bmap)\nare allocated by cgx_lmac_init() but never freed in cgx_lmac_exit().\nUnbinding and rebinding the driver therefore triggers kmemleak:\n\n    unreferenced object (size 16):\n        backtrace:\n          rvu_alloc_bitmap\n          cgx_probe\n\nFree both bitmaps during teardown."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/marvell/octeontx2/af/cgx.c"
                    ],
                    "versions": [
                        {
                            "version": "e740003874edc13e468d19233f99787bedb4bb8e",
                            "lessThan": "ad8a13a45c5c24d0d32de9a1c3fd58498a675ece",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e740003874edc13e468d19233f99787bedb4bb8e",
                            "lessThan": "013ac469596a0b8671e62d89c89ae0bd46bbe667",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e740003874edc13e468d19233f99787bedb4bb8e",
                            "lessThan": "ccef79af58b43787c25710c9da96651c6ddfe50f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e740003874edc13e468d19233f99787bedb4bb8e",
                            "lessThan": "6d389382ee655128056fbdab86baad8495ffbf33",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e740003874edc13e468d19233f99787bedb4bb8e",
                            "lessThan": "ccca14bbdcc25829d355b9f4d3249f43dadb71c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e740003874edc13e468d19233f99787bedb4bb8e",
                            "lessThan": "3def995c4ede842adf509c410e92d09a0cedc965",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/marvell/octeontx2/af/cgx.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.165",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.128",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.75",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.16",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "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": "5.18",
                                    "versionEndExcluding": "6.1.165"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.6.128"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.12.75"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.18.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.19.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ad8a13a45c5c24d0d32de9a1c3fd58498a675ece"
                },
                {
                    "url": "https://git.kernel.org/stable/c/013ac469596a0b8671e62d89c89ae0bd46bbe667"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ccef79af58b43787c25710c9da96651c6ddfe50f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6d389382ee655128056fbdab86baad8495ffbf33"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ccca14bbdcc25829d355b9f4d3249f43dadb71c1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3def995c4ede842adf509c410e92d09a0cedc965"
                }
            ],
            "title": "octeontx2-af: CGX: fix bitmap leaks",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}