{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98961",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.382Z",
        "datePublished": "2026-10-23T12:19:29.616Z",
        "dateUpdated": "2026-10-23T12:19:29.616Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-23T12:19:29.616Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: unlock inode and extent in caller when io_uring read extent fails\n\nbtrfs_uring_read_extent() runs only after btrfs_encoded_read() has taken\nthe inode shared lock and the extent lock.  On failure it used to unlock\nin out_fail, and a pages-array allocation failure returned -ENOMEM\nwithout unlocking at all.\n\nUnlock in the caller instead on all failure returns, matching the\ncopy_to_user() error path.  The deferred -EIOCBQUEUED path still unlocks\nin btrfs_uring_read_finished()."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/ioctl.c"
                    ],
                    "versions": [
                        {
                            "version": "34310c442e175f286b4c06ab5caa4e0b267ea31c",
                            "lessThan": "2797eb38773a96914ccedeec71eb2144645400b2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "34310c442e175f286b4c06ab5caa4e0b267ea31c",
                            "lessThan": "ada1fc725a4db407294ae90a0d40ef1c46f457f2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "34310c442e175f286b4c06ab5caa4e0b267ea31c",
                            "lessThan": "b6e8add5d79d1f6f819a054c833bab452bd7365d",
                            "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/btrfs/ioctl.c"
                    ],
                    "versions": [
                        {
                            "version": "6.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.57",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.11",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "6.13",
                                    "versionEndExcluding": "6.18.57"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "7.2.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.13",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2797eb38773a96914ccedeec71eb2144645400b2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ada1fc725a4db407294ae90a0d40ef1c46f457f2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b6e8add5d79d1f6f819a054c833bab452bd7365d"
                }
            ],
            "title": "btrfs: unlock inode and extent in caller when io_uring read extent fails",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}