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xsk: tighten UMEM headroom validation to account for tailroom and min frame

cve-program · CVE-2026-43093

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/xdp_umem.c"
                    ],
                    "versions": [
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "5f123bc278bf4e3283d8606321bebbfd299f4384",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "1a6051cd7e3e4c54ff3854a43b638b9292af5e67",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "8769708add9eadeea8041a9761771bb715a87104",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "a03975beb9f6af0d8ac051e30b2abeabe618414f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "0ec4d3f6e6934deb843b561ae048cd17218e5ad1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "9ea6ba4f3195dcba6e8b3e7b2e748593b7cafb12",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "6523bc1b40e69301f24c14338b762af4739d6d39",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99e3a236dd43d06c65af0a2ef9cb44306aef6e02",
                            "lessThan": "a315e022a72d95ef5f1d4e58e903cb492b0ad931",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ad8fb61c184fe0f8d1e0b5b954d010fb9f94a6ee",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "25c9cdef57488578da21d99eb614b97ffcf6e59f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "98d3c852e63b49129515dd18c875999efaf8530a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.19.118",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.35",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.6.7",
                            "lessThan": "5.7",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

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/xdp_umem.c"
                    ],
                    "versions": [
                        {
                            "version": "5.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.7",
                            "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",
                            "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