{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74616", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.920Z", "datePublished": "2026-08-22T15:32:01.313Z", "dateUpdated": "2026-08-22T15:32:01.313Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-22T15:32:01.313Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxdp: reject clones that overrun skb_shared_info tailroom\n\nxdpf_clone() clones broadcast copies into a single page and sets\nframe_sz to PAGE_SIZE. __xdp_build_skb_from_frame() later treats that\npage like a normal XDP frame and expects the usual skb_shared_info\ntailroom at the end of the buffer.\n\nThe current check only rejects frames whose linear xdp_frame header,\nheadroom, and packet data exceed PAGE_SIZE. A source frame backed by a\nlarger allocation can still satisfy that check while extending into the\nclone's required shared-info area. When such a clone is converted back\ninto an skb, build_skb_around() places skb_shared_info over live packet\nbytes and later writes can corrupt XDP return metadata.\n\nReject clones unless their linear area fits inside\nSKB_WITH_OVERHEAD(PAGE_SIZE), matching the tailroom requirement already\nenforced by the XDP-to-skb conversion path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/xdp.c"], "versions": [{"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "58408982fa39f9758124cec169f42854d6f98f35", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "685edea27ac68d08fe4dbd3de74b858d2ad8e830", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "ba13763d667e008e185fedf592d53846a5b457d1", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "ef4b7c7046d29a67090de15af0da0d1ae8d1b192", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "fab820f1691a9e26d9031f18aae1e9ce09078f92", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "f463b6f4957c9c3fd1c75f8d3e5af4879fa609c0", "status": "affected", "versionType": "git"}, {"version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "lessThan": "e48e8edbef2eb824201495daa5234560f632b23c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/xdp.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "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": "6.6.152", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.104", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.45", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.9", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.6.152"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.12.104"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "6.18.45"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.1.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/58408982fa39f9758124cec169f42854d6f98f35"}, {"url": "https://git.kernel.org/stable/c/685edea27ac68d08fe4dbd3de74b858d2ad8e830"}, {"url": "https://git.kernel.org/stable/c/ba13763d667e008e185fedf592d53846a5b457d1"}, {"url": "https://git.kernel.org/stable/c/ef4b7c7046d29a67090de15af0da0d1ae8d1b192"}, {"url": "https://git.kernel.org/stable/c/fab820f1691a9e26d9031f18aae1e9ce09078f92"}, {"url": "https://git.kernel.org/stable/c/f463b6f4957c9c3fd1c75f8d3e5af4879fa609c0"}, {"url": "https://git.kernel.org/stable/c/e48e8edbef2eb824201495daa5234560f632b23c"}], "title": "xdp: reject clones that overrun skb_shared_info tailroom", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/core/xdp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "58408982fa39f9758124cec169f42854d6f98f35", "status": "affected", "version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "versionType": "git"}, {"lessThan": "685edea27ac68d08fe4dbd3de74b858d2ad8e830", "status": "affected", "version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "versionType": "git"}, {"lessThan": "ba13763d667e008e185fedf592d53846a5b457d1", "status": "affected", "version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "versionType": "git"}, {"lessThan": "ef4b7c7046d29a67090de15af0da0d1ae8d1b192", "status": "affected", "version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "versionType": "git"}, {"lessThan": "fab820f1691a9e26d9031f18aae1e9ce09078f92", "status": "affected", "version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "versionType": "git"}, {"lessThan": "f463b6f4957c9c3fd1c75f8d3e5af4879fa609c0", "status": "affected", "version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "versionType": "git"}, {"lessThan": "e48e8edbef2eb824201495daa5234560f632b23c", "status": "affected", "version": "e624d4ed4aa8cc3c69d1359b0aaea539203ed266", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/core/xdp.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.14"}, {"lessThan": "5.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.216", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.183", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.152", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.104", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.45", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxdp: reject clones that overrun skb_shared_info tailroom\n\nxdpf_clone() clones broadcast copies into a single page and sets\nframe_sz to PAGE_SIZE. __xdp_build_skb_from_frame() later treats that\npage like a normal XDP frame and expects the usual skb_shared_info\ntailroom at the end of the buffer.\n\nThe current check only rejects frames whose linear xdp_frame header,\nheadroom, and packet data exceed PAGE_SIZE. A source frame backed by a\nlarger allocation can still satisfy that check while extending into the\nclone's required shared-info area. When such a clone is converted back\ninto an skb, build_skb_around() places skb_shared_info over live packet\nbytes and later writes can corrupt XDP return metadata.\n\nReject clones unless their linear area fits inside\nSKB_WITH_OVERHEAD(PAGE_SIZE), matching the tailroom requirement already\nenforced by the XDP-to-skb conversion path."}], "id": "CVE-2026-74616", "lastModified": "2026-08-22T16:16:34.280", "metrics": {}, "published": "2026-08-22T16:16:34.280", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/58408982fa39f9758124cec169f42854d6f98f35"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/685edea27ac68d08fe4dbd3de74b858d2ad8e830"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ba13763d667e008e185fedf592d53846a5b457d1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e48e8edbef2eb824201495daa5234560f632b23c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef4b7c7046d29a67090de15af0da0d1ae8d1b192"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f463b6f4957c9c3fd1c75f8d3e5af4879fa609c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fab820f1691a9e26d9031f18aae1e9ce09078f92"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,58408982fa39f9758124cec169f42854d6f98f35)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,685edea27ac68d08fe4dbd3de74b858d2ad8e830)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,ba13763d667e008e185fedf592d53846a5b457d1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,ef4b7c7046d29a67090de15af0da0d1ae8d1b192)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,fab820f1691a9e26d9031f18aae1e9ce09078f92)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,f463b6f4957c9c3fd1c75f8d3e5af4879fa609c0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[e624d4ed4aa8cc3c69d1359b0aaea539203ed266,e48e8edbef2eb824201495daa5234560f632b23c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "5.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.216,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.183,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.152,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.104,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.9,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-22T16:45:03.759762+00:00", "updated": "2026-08-22T18:45:04.541347+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-122", "CWE-788"]}