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btrfs: reject free space cache with more entries than pages

cve-program · CVE-2026-64567

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/free-space-cache.c"
                    ],
                    "versions": [
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "8ded74c654a982dc8581a17b0caa7fcedb20de69",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "c9c38066b6446e83668c041702bb639b0ca49363",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "094734c7aaa2b36751dc32480a680a4952685e78",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "33878ba25e2638bc0c61623d7a05c9ca2b74c039",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "404a0b986e0b6e79738fdf1f0ebbbc43b9acd2a2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "5e1b2ca6b34939e70fb0785e8222b53cf060016f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "f9fef131fa3f59b857217f522fa5ea430d1b707c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5b0e95bf607ddd59b39f52d3d55e6581c817b530",
                            "lessThan": "a2d8d5647ed854e38f941741aea45b9eb15a6350",
                            "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/free-space-cache.c"
                    ],
                    "versions": [
                        {
                            "version": "3.2",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.2",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 8 Nov 16:17 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current