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mm: blk-cgroup: fix use-after-free in cgwb_release_workfn()

cve-program · CVE-2026-31586

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": [
                        "mm/backing-dev.c"
                    ],
                    "versions": [
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "23acef4156c260e8598397a1a2e8b3a23e919893",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "1bd36e93b542d9dd020190c6607c6a3663405195",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "740ba1ebb223f137ff088ab74d533a13f9167bd8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "115a5266749dcde7fe4127e8623d19c752088f69",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "dfc8292a1d6782c76b626315605e0585a5a18447",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "ea3af09eb87d8f8708c66747fcf1a2762902e839",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "50879a3c1faf06e661090015d59e2127255cff27",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "67cb119d32f35e32acd0393bbeb318b2bb1fdafe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "59b57717fff8b562825d9d25e0180ad7e8048ca9",
                            "lessThan": "8f5857be99f1ed1fa80991c72449541f634626ee",
                            "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": [
                        "mm/backing-dev.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.136",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.83",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.24",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.14",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.1",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

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Sources read 8 Nov 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current