CVE-2026-63952Published

memfd: deny writeable mappings when implying SEAL_WRITE

cve-program · CVE-2026-63952

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/memfd.c"
                    ],
                    "versions": [
                        {
                            "version": "c4f75bc8bd6b3d62665e1f5400c419540edb5601",
                            "lessThan": "b3f4f82d1315f1439059a83d1c22c51a5b43d99e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4f75bc8bd6b3d62665e1f5400c419540edb5601",
                            "lessThan": "3be2a24f7f72ad7321ed6ad1715b956a4527bcf4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4f75bc8bd6b3d62665e1f5400c419540edb5601",
                            "lessThan": "0995d1f79aed8ccbf62056189dd53fd19726ea08",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4f75bc8bd6b3d62665e1f5400c419540edb5601",
                            "lessThan": "555702282d4536a865dfffb1cd4f6028f196e7e8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c4f75bc8bd6b3d62665e1f5400c419540edb5601",
                            "lessThan": "3b041514cb6eae45869b020f743c14d983363222",
                            "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/memfd.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.143",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.93",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.35",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.12",
                            "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