{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64351", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.782Z", "datePublished": "2026-07-25T08:50:10.882Z", "dateUpdated": "2026-07-25T08:50:10.882Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:50:10.882Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: usb: kalmia: bound RX frame length in kalmia_rx_fixup()\n\nkalmia_rx_fixup() computes usb_packet_length = skb->len - (2 *\nKALMIA_HEADER_LENGTH) as a u16, guarded only by a pre-loop check that\nskb->len is at least KALMIA_HEADER_LENGTH, which is 6. A device can\ndeliver a short bulk-IN frame with skb->len in the 6 to 11 range, or\nleave a short trailing remainder on a later loop iteration. Either case\nunderflows usb_packet_length to about 65530.\n\nThat bypasses the usb_packet_length < ether_packet_length truncation path.\nThe device-supplied ether_packet_length, a le16 up to 65535 read from\nheader_start[2], then drives a memcmp() and the following skb_trim() and\nskb_pull() past the end of the rx buffer. The rx buffer is hard_mtu * 10,\nwhich is 14000 bytes. That is an out of bounds read.\n\nRequire both the start and end framing headers to be present before\nsubtracting them, on every loop iteration."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/usb/kalmia.c"], "versions": [{"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "391706889a5112feafdc0c68db3ecc7ed325d09c", "status": "affected", "versionType": "git"}, {"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "aa4eef2cbb66ea3dfcfc24bdce798dd78a81b54b", "status": "affected", "versionType": "git"}, {"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "2d04c37ed4e1d0f733ad39ec35b5a5d8818b4f4a", "status": "affected", "versionType": "git"}, {"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "46ab32870d010e9a057bc5659cea22b7e728ca88", "status": "affected", "versionType": "git"}, {"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "c466097d85d52f3aa200736cb4759e66d4bbf6e3", "status": "affected", "versionType": "git"}, {"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "e24eb271061db384a3c3ef6f107fe515e68ef222", "status": "affected", "versionType": "git"}, {"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "51e65f1d78457ea4f9513d90ab22c9dccbb35110", "status": "affected", "versionType": "git"}, {"version": "d40261236e8e278cb1936cb5e934262971692b10", "lessThan": "47b6bcef6e679593d2e86e04ee72c46a4e2f7139", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/usb/kalmia.c"], "versions": [{"version": "3.0", "status": "affected"}, {"version": "0", "lessThan": "3.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "3.0", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/391706889a5112feafdc0c68db3ecc7ed325d09c"}, {"url": "https://git.kernel.org/stable/c/aa4eef2cbb66ea3dfcfc24bdce798dd78a81b54b"}, {"url": "https://git.kernel.org/stable/c/2d04c37ed4e1d0f733ad39ec35b5a5d8818b4f4a"}, {"url": "https://git.kernel.org/stable/c/46ab32870d010e9a057bc5659cea22b7e728ca88"}, {"url": "https://git.kernel.org/stable/c/c466097d85d52f3aa200736cb4759e66d4bbf6e3"}, {"url": "https://git.kernel.org/stable/c/e24eb271061db384a3c3ef6f107fe515e68ef222"}, {"url": "https://git.kernel.org/stable/c/51e65f1d78457ea4f9513d90ab22c9dccbb35110"}, {"url": "https://git.kernel.org/stable/c/47b6bcef6e679593d2e86e04ee72c46a4e2f7139"}], "title": "net: usb: kalmia: bound RX frame length in kalmia_rx_fixup()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,391706889a5112feafdc0c68db3ecc7ed325d09c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,aa4eef2cbb66ea3dfcfc24bdce798dd78a81b54b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,2d04c37ed4e1d0f733ad39ec35b5a5d8818b4f4a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,46ab32870d010e9a057bc5659cea22b7e728ca88)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,c466097d85d52f3aa200736cb4759e66d4bbf6e3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,e24eb271061db384a3c3ef6f107fe515e68ef222)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,51e65f1d78457ea4f9513d90ab22c9dccbb35110)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d40261236e8e278cb1936cb5e934262971692b10,47b6bcef6e679593d2e86e04ee72c46a4e2f7139)"}}], "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": "3.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc1,*]"}}], "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": "2026-07-25T14:45:03.401200+00:00", "updated": "2026-07-25T14:45:03.401238+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}