{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46331", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.112Z", "datePublished": "2026-06-16T06:26:21.066Z", "dateUpdated": "2026-06-16T06:26:21.066Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-16T06:26:21.066Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: fix pedit partial COW leading to page cache corruption\n\ntcf_pedit_act() computes the COW range for skb_ensure_writable()\nonce before the key loop using tcfp_off_max_hint, but the hint does\nnot account for the runtime header offset added by typed keys. This\ncan leave part of the write region un-COW'd.\n\nFix by moving skb_ensure_writable() inside the per-key loop where\nthe actual write offset is known, and add overflow checking on the\noffset arithmetic. For negative offsets (e.g. Ethernet header edits\nat ingress), use skb_cow() to COW the headroom instead. Guard\noffset_valid() against INT_MIN, where negation is undefined."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/tc_act/tc_pedit.h", "net/sched/act_pedit.c"], "versions": [{"version": "8b796475fd7882663a870456466a4fb315cc1bd6", "lessThan": "899ee91156e57784090c5565e4f31bd7dbffbc5a", "status": "affected", "versionType": "git"}, {"version": "d0c38a914b0c4c21d553da801003d36979016726", "status": "affected", "versionType": "git"}, {"version": "2ec2dd7d51a9320151f275ddbb2b53260fb32ca1", "status": "affected", "versionType": "git"}, {"version": "abe35bf3be51482593076d516a680d79e5fbc8e1", "status": "affected", "versionType": "git"}, {"version": "b773640d5bb9e2acfd91e2695717af04d47aa116", "status": "affected", "versionType": "git"}, {"version": "c19cc520b3d69904e9518d401ad0df7f4702aca0", "status": "affected", "versionType": "git"}, {"version": "4.19.244", "lessThan": "4.20", "status": "affected", "versionType": "semver"}, {"version": "5.4.195", "lessThan": "5.5", "status": "affected", "versionType": "semver"}, {"version": "5.10.117", "lessThan": "5.11", "status": "affected", "versionType": "semver"}, {"version": "5.15.41", "lessThan": "5.16", "status": "affected", "versionType": "semver"}, {"version": "5.17.9", "lessThan": "5.18", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/tc_act/tc_pedit.h", "net/sched/act_pedit.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.18", "versionEndExcluding": "7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.244"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.195"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.117"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.41"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/899ee91156e57784090c5565e4f31bd7dbffbc5a"}], "title": "net/sched: fix pedit partial COW leading to page cache corruption", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: fix pedit partial COW leading to page cache corruption\n\ntcf_pedit_act() computes the COW range for skb_ensure_writable()\nonce before the key loop using tcfp_off_max_hint, but the hint does\nnot account for the runtime header offset added by typed keys. This\ncan leave part of the write region un-COW'd.\n\nFix by moving skb_ensure_writable() inside the per-key loop where\nthe actual write offset is known, and add overflow checking on the\noffset arithmetic. For negative offsets (e.g. Ethernet header edits\nat ingress), use skb_cow() to COW the headroom instead. Guard\noffset_valid() against INT_MIN, where negation is undefined."}], "id": "CVE-2026-46331", "lastModified": "2026-06-16T08:16:23.993", "metrics": {}, "published": "2026-06-16T08:16:23.993", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/899ee91156e57784090c5565e4f31bd7dbffbc5a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8b796475fd7882663a870456466a4fb315cc1bd6,899ee91156e57784090c5565e4f31bd7dbffbc5a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "d0c38a914b0c4c21d553da801003d36979016726"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "2ec2dd7d51a9320151f275ddbb2b53260fb32ca1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "abe35bf3be51482593076d516a680d79e5fbc8e1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "b773640d5bb9e2acfd91e2695717af04d47aa116"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "c19cc520b3d69904e9518d401ad0df7f4702aca0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.19.244,4.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.4.195,5.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.10.117,5.11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.15.41,5.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.17.9,5.18)"}}], "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": "5.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-16T10:00:10.972610+00:00", "updated": "2026-06-16T20:30:03.743833+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}