{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53227",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.392Z",
        "datePublished": "2026-06-25T08:39:27.229Z",
        "dateUpdated": "2026-06-25T08:39:27.229Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-06-25T08:39:27.229Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: openvswitch: fix possible kfree_skb of ERR_PTR\n\nAfter the patch in the \"Fixes\" tag, the allocation of the \"reply\" skb\ncan happen either before or after locking the ovs_mutex.\n\nHowever, error cleanups still follow the classical reversed order,\nassuming \"reply\" is allocated before locking: it is freed after unlocking.\n\nIf \"reply\" allocation happens after locking the mutex and it fails,\n\"reply\" is left with an ERR_PTR, and execution jumps to the correspondent\ncleanup stage which will try to free an invalid pointer.\n\nFix this by setting the pointer to NULL after having saved its error\nvalue."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/openvswitch/datapath.c"
                    ],
                    "versions": [
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "e248fb2e680deb2bd37bac551b72638fe4938a76",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "0bb5b2dc1b90aa7dd1473fc8c4d813a29255ff8d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "971b1b37774f13acc5add0a2843f8598446b8598",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "25fdf53698535fe8790237f5a8a9626791429785",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "e3d509a1b71396e1452060dbf84a805fd1c3c549",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "ecc55aad3390129a87106841f4b68bf3d70c9264",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "895d1dd9057cde1687fa0f4286d47ceed0b82997",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "893f139b9a6c00c097b9082a90f3041cfb3a0d20",
                            "lessThan": "ee30dd2909d8b98619f4341c70ec8dc8e155ab02",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/openvswitch/datapath.c"
                    ],
                    "versions": [
                        {
                            "version": "3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.259",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.210",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.176",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.94",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.36",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "3.16",
                                    "versionEndExcluding": "5.10.259"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "5.15.210"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "6.1.176"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "6.6.143"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "6.12.94"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "6.18.36"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "7.0.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/e248fb2e680deb2bd37bac551b72638fe4938a76"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0bb5b2dc1b90aa7dd1473fc8c4d813a29255ff8d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/971b1b37774f13acc5add0a2843f8598446b8598"
                },
                {
                    "url": "https://git.kernel.org/stable/c/25fdf53698535fe8790237f5a8a9626791429785"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e3d509a1b71396e1452060dbf84a805fd1c3c549"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ecc55aad3390129a87106841f4b68bf3d70c9264"
                },
                {
                    "url": "https://git.kernel.org/stable/c/895d1dd9057cde1687fa0f4286d47ceed0b82997"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ee30dd2909d8b98619f4341c70ec8dc8e155ab02"
                }
            ],
            "title": "net: openvswitch: fix possible kfree_skb of ERR_PTR",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}