CVE-2026-53250Published

xsk: cache csum_start/csum_offset to fix TOCTOU in xsk_skb_metadata()

cve-program · CVE-2026-53250

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": [
                        "net/xdp/xsk.c"
                    ],
                    "versions": [
                        {
                            "version": "48eb03dd26304c24f03bdbb9382e89c8564e71df",
                            "lessThan": "eb778aed8a9b2381668fcb1247ae4fa011224768",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48eb03dd26304c24f03bdbb9382e89c8564e71df",
                            "lessThan": "0dfe05b938435892875e07771170051346412df9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48eb03dd26304c24f03bdbb9382e89c8564e71df",
                            "lessThan": "bfdfd2706d5fb2cd496a1506e680daf979309c8b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "48eb03dd26304c24f03bdbb9382e89c8564e71df",
                            "lessThan": "22ba97ea9cc1f63a0d0244fae38057ed452b6ac7",
                            "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": [
                        "net/xdp/xsk.c"
                    ],
                    "versions": [
                        {
                            "version": "6.8",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.8",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.36",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "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