{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54315",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.531Z",
        "datePublished": "2025-12-30T12:23:45.858Z",
        "dateUpdated": "2026-05-11T19:59:35.468Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:59:35.468Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/powernv/sriov: perform null check on iov before dereferencing iov\n\nCurrently pointer iov is being dereferenced before the null check of iov\nwhich can lead to null pointer dereference errors. Fix this by moving the\niov null check before the dereferencing.\n\nDetected using cppcheck static analysis:\nlinux/arch/powerpc/platforms/powernv/pci-sriov.c:597:12: warning: Either\nthe condition '!iov' is redundant or there is possible null pointer\ndereference: iov. [nullPointerRedundantCheck]\n num_vfs = iov->num_vfs;\n           ^"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/powerpc/platforms/powernv/pci-sriov.c"
                    ],
                    "versions": [
                        {
                            "version": "052da31d45fc71238ea8bed7e9a84648a1ee0bf3",
                            "lessThan": "07c19c0ad4b07f4b598da369714de028f6a6a323",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "052da31d45fc71238ea8bed7e9a84648a1ee0bf3",
                            "lessThan": "d3a0d96c16e5f8d55e2c70163abda3c7c8328106",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "052da31d45fc71238ea8bed7e9a84648a1ee0bf3",
                            "lessThan": "d9a1aaea856002cb58dfb7c8d8770400fa1a0299",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "052da31d45fc71238ea8bed7e9a84648a1ee0bf3",
                            "lessThan": "6314465b88072a6b6f3b3c12a7898abe09095f95",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "052da31d45fc71238ea8bed7e9a84648a1ee0bf3",
                            "lessThan": "72990144e17e5e2cb378f1d9b10530b85b9bc382",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "052da31d45fc71238ea8bed7e9a84648a1ee0bf3",
                            "lessThan": "f4f913c980bc6abe0ccfe88fe3909c125afe4a2d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/powerpc/platforms/powernv/pci-sriov.c"
                    ],
                    "versions": [
                        {
                            "version": "5.9",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.9",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.188",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.121",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.39",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.13",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.4",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "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": "5.9",
                                    "versionEndExcluding": "5.10.188"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "5.15.121"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "6.1.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "6.3.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "6.4.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/07c19c0ad4b07f4b598da369714de028f6a6a323"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d3a0d96c16e5f8d55e2c70163abda3c7c8328106"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d9a1aaea856002cb58dfb7c8d8770400fa1a0299"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6314465b88072a6b6f3b3c12a7898abe09095f95"
                },
                {
                    "url": "https://git.kernel.org/stable/c/72990144e17e5e2cb378f1d9b10530b85b9bc382"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f4f913c980bc6abe0ccfe88fe3909c125afe4a2d"
                }
            ],
            "title": "powerpc/powernv/sriov: perform null check on iov before dereferencing iov",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}