CVE-2026-31666Published

btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-31666

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/extent-tree.c"
                    ],
                    "versions": [
                        {
                            "version": "1618aa3c2e0163f5ac34d514ae89474521910536",
                            "lessThan": "4125a194db4a6cf91f619f38788272651cb97dce",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1618aa3c2e0163f5ac34d514ae89474521910536",
                            "lessThan": "450e6a685d0cad95b15f8af152057bd0bf79f50b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1618aa3c2e0163f5ac34d514ae89474521910536",
                            "lessThan": "ab1e022379c3c811aa72da8eb0c7507859a1d0f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "1618aa3c2e0163f5ac34d514ae89474521910536",
                            "lessThan": "316fb1b3169efb081d2db910cbbfef445afa03b9",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/btrfs/extent-tree.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.82",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.23",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.13",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON