{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-45948",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-13T15:03:33.088Z",
        "datePublished": "2026-05-27T12:18:04.937Z",
        "dateUpdated": "2026-05-27T12:18:04.937Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-27T12:18:04.937Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix memory leak in ext4_ext_shift_extents()\n\nIn ext4_ext_shift_extents(), if the extent is NULL in the while loop, the\nfunction returns immediately without releasing the path obtained via\next4_find_extent(), leading to a memory leak.\n\nFix this by jumping to the out label to ensure the path is properly\nreleased."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ext4/extents.c"
                    ],
                    "versions": [
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                            "version": "a18ed359bdddcded4f97ff5e2f07793ff9336913",
                            "lessThan": "7e807cb8603b7664fa630a696cd891d9a03c248d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "afc5e61e1a07b2b833bd72cbee36ecce9cd901e2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a18ed359bdddcded4f97ff5e2f07793ff9336913",
                            "lessThan": "1bce219ee5512cf179ba40cf114945a14a16e21f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a18ed359bdddcded4f97ff5e2f07793ff9336913",
                            "lessThan": "4a79fde8db7eba7f1128d971ceba4e3c9ac84aec",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a18ed359bdddcded4f97ff5e2f07793ff9336913",
                            "lessThan": "2f4b1052246ca646bb17bfe0f53df2fdf9729b58",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a18ed359bdddcded4f97ff5e2f07793ff9336913",
                            "lessThan": "12615ab4bfb69678e5d961b28bb70040299e51b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "a18ed359bdddcded4f97ff5e2f07793ff9336913",
                            "lessThan": "bd7b52557e4a3ccd7595fdb3a585f1257de57935",
                            "status": "affected",
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                        },
                        {
                            "version": "a18ed359bdddcded4f97ff5e2f07793ff9336913",
                            "lessThan": "ca81109d4a8f192dc1cbad4a1ee25246363c2833",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/ext4/extents.c"
                    ],
                    "versions": [
                        {
                            "version": "3.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.252",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.202",
                            "lessThanOrEqual": "5.15.*",
                            "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": "6.18.14",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.4",
                            "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": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.10.252"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7e807cb8603b7664fa630a696cd891d9a03c248d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/afc5e61e1a07b2b833bd72cbee36ecce9cd901e2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1bce219ee5512cf179ba40cf114945a14a16e21f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4a79fde8db7eba7f1128d971ceba4e3c9ac84aec"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2f4b1052246ca646bb17bfe0f53df2fdf9729b58"
                },
                {
                    "url": "https://git.kernel.org/stable/c/12615ab4bfb69678e5d961b28bb70040299e51b1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bd7b52557e4a3ccd7595fdb3a585f1257de57935"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ca81109d4a8f192dc1cbad4a1ee25246363c2833"
                }
            ],
            "title": "ext4: fix memory leak in ext4_ext_shift_extents()",
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}