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keys: fix out-of-bounds read in keyring_get_key_chunk()

cve-program · CVE-2026-74567

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": [
                        "security/keys/keyring.c"
                    ],
                    "versions": [
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "4c0c26f751e50d3027eacc4d7d0fabc31f1d7e6b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "79916f40d4ab1b4ae694d8c024fd179454bfe46e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "e5b01998cef8d7f613200230ccaadebe5de9135c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "d1933e03e8c74a018550c31a393b79c4d95bff40",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "3a744838453fb9309ce5a5526d3252e211d60152",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "e9417d21a22ad2ec398e78fcf084b717ce92cf2f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "8dba33c1e779d0fb9a2acb31e354cf0fc0229111",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f771fde82051976a6fc0fd570f8b86de4a92124b",
                            "lessThan": "63918731f9ae25b5deb022f118e941e6dddfcef4",
                            "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": [
                        "security/keys/keyring.c"
                    ],
                    "versions": [
                        {
                            "version": "5.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.3",
                            "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": "6.6.151",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.103",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "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

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Sources read 9 Nov 08:42 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current