{"id":"CVE-2022-49972","revision":null,"records":[{"revision":"54e0f9d969014fc88ee4a41c1c767653","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-49972","aliases":[],"title":"xsk: Fix corrupted packets for XDP_SHARED_UMEM","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: Fix corrupted packets for XDP_SHARED_UMEM\n\nFix an issue in XDP_SHARED_UMEM mode together with aligned mode where\npackets are corrupted for the second and any further sockets bound to\nthe same umem. In other words, this does not affect the first socket\nbound to the umem. The culprit for this bug is that the initialization\nof the DMA addresses for the pre-populated xsk buffer pool entries was\nnot performed for any socket but the first one bound to the umem. Only\nthe linear array of DMA addresses was populated. Fix this by populating\nthe DMA addresses in the xsk buffer pool for every socket bound to the\nsame umem.","state":0,"publishedAt":"2025-06-18T11:00:35.382+00:00","modifiedAt":"2026-10-15T21:31:17.861+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/xdp/xsk_buff_pool.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"94033cd8e73b8632bab7c8b7bb54caa4f5616db7\",\n                            \"lessThan\": \"2c75891d56ab6fe5ba0d415bfad91d514a4027cd\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"94033cd8e73b8632bab7c8b7bb54caa4f5616db7\",\n                            \"lessThan\": \"58ca14ed98c87cfe0d1408cc65a9745d9e9b7a56\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/xdp/xsk_buff_pool.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.16\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.16\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.19.8\",\n                            \"lessThanOrEqual\": \"5.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.0\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/2c75891d56ab6fe5ba0d415bfad91d514a4027cd","https://git.kernel.org/stable/c/58ca14ed98c87cfe0d1408cc65a9745d9e9b7a56"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-49972","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-49972","identifiers":["CVE-2022-49972"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-09T14:04:00.1516715+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T14:04:00.1516715+00:00","lastSuccessAt":"2026-11-09T14:04:00.2978136+00:00","error":null,"lastVerifiedAt":"2026-11-09T14:04:00.297814+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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