CVE-2026-74507

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74507", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.908Z", "datePublished": "2026-08-15T12:27:30.683Z", "dateUpdated": "2026-10-16T19:05:51.043Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:38:05.065Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: HIDP: validate numbered report payloads\n\nWhen hidp_get_raw_report() waits for a numbered report,\nhidp_process_data() compares the expected report number with skb->data[0].\nA connected HIDP peer can reply with only a DATA transaction header,\nleaving the skb empty after the header is removed.\n\nKMSAN reports an uninitialized-value use in hidp_session_run(), with the\nvalue originating in __alloc_skb() through vhci_write(). The transaction\nheader checks remove the empty-frame reports, but this report remains until\nthe payload check is added.\n\nThe comparison can also consume a peer-controlled byte beyond the declared\nL2CAP PDU. A DATA | FEATURE response followed by an extra 0x01 byte made\nthe current code accept that byte as report ID 1 and complete\nHIDIOCGFEATURE with a zero-byte result. With this change the malformed\nresponse is rejected with -EIO, while a subsequent valid response still\nsucceeds.\n\nRequire a payload byte before comparing a numbered report ID. Unnumbered\nreports continue to accept an empty payload."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "baseScore": 7.1, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:A - The flaw is reached when a connected Bluetooth HIDP peer sends crafted DATA frames over the established L2CAP control channel; Bluetooth is an adjacent wireless vector, not local syscall/ioctl or physical USB access.\nAC:L - The malicious peer receives the host GET_REPORT and can deterministically reply with a header-only DATA frame or a malformed numbered-report payload; no race or rare layout conditions beyond an active HIDP session are required.\nPR:N - Exploitation is performed by the remote Bluetooth HIDP peer sending malicious protocol data; the attacker needs no local account, capabilities, or init-namespace root on the victim host.\nUI:N - Once a HIDP session exists, the peer can trigger the bug by answering host-initiated GET_REPORT requests from HIDIOCGFEATURE or kernel HID probe I/O without any additional victim action at exploit time.\nS:U - Impact is confined to kernel Bluetooth HIDP/hidraw handling on the victim host; it does not cross a VM, container, or IOMMU security boundary to affect a separate authority.\nC:H - With numbered reports, hidp_process_data() reads skb->data[0] when skb->len is zero or beyond the declared L2CAP PDU, causing an out-of-bounds/uninitialized heap read that may contain stale kernel memory.\nI:L - Accepting malformed numbered-report responses can complete HIDIOCGFEATURE with incorrect zero-length or attacker-chosen report-ID data, causing limited integrity impact on returned HID feature-report contents.\nA:N - The defect is an invalid payload-length check and uninitialized/OOB read during report matching; it does not cause a documented kernel oops, panic, hang, or repeatable denial of service."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bluetooth/hidp/core.c"], "versions": [{"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "011bf4350d941f1995b2bd4b815ee206cacf2b8e", "status": "affected", "versionType": "git"}, {"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "689d8bb7fee96b7196b572b015b6055c6616ce0c", "status": "affected", "versionType": "git"}, {"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "c73beb320f5705e508bf7d385b8cc5ef8d9c8b69", "status": "affected", "versionType": "git"}, {"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "b7ad105d46acd828e424454815e4cd31069e047a", "status": "affected", "versionType": "git"}, {"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "7e7162427659b70ea17cd41b1f79e2e64c246690", "status": "affected", "versionType": "git"}, {"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "27cc0e603355c585f1e5da8398faa4d36d498188", "status": "affected", "versionType": "git"}, {"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "9c841f59e10b5d75c398a3fc6b2da448d2a2276b", "status": "affected", "versionType": "git"}, {"version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "34f53d27b81a16a02828c8fdfa4e02badc326f17", "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/bluetooth/hidp/core.c"], "versions": [{"version": "2.6.39", "status": "affected"}, {"version": "0", "lessThan": "2.6.39", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.265", "lessThanOrEqual": "5.10.*", "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": "6.6.151", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.103", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.8", "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": "2.6.39", "versionEndExcluding": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.6.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.12.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.39", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/011bf4350d941f1995b2bd4b815ee206cacf2b8e"}, {"url": "https://git.kernel.org/stable/c/689d8bb7fee96b7196b572b015b6055c6616ce0c"}, {"url": "https://git.kernel.org/stable/c/c73beb320f5705e508bf7d385b8cc5ef8d9c8b69"}, {"url": "https://git.kernel.org/stable/c/b7ad105d46acd828e424454815e4cd31069e047a"}, {"url": "https://git.kernel.org/stable/c/7e7162427659b70ea17cd41b1f79e2e64c246690"}, {"url": "https://git.kernel.org/stable/c/27cc0e603355c585f1e5da8398faa4d36d498188"}, {"url": "https://git.kernel.org/stable/c/9c841f59e10b5d75c398a3fc6b2da448d2a2276b"}, {"url": "https://git.kernel.org/stable/c/34f53d27b81a16a02828c8fdfa4e02badc326f17"}], "title": "Bluetooth: HIDP: validate numbered report payloads", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-74507", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T18:58:31.395135Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T19:05:51.043Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-74507", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T18:58:31.395135Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T18:58:32.303Z"}}], "cna": {"title": "Bluetooth: HIDP: validate numbered report payloads", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.1, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N"}, "scenarios": [{"lang": "en", "value": "AV:A - The flaw is reached when a connected Bluetooth HIDP peer sends crafted DATA frames over the established L2CAP control channel; Bluetooth is an adjacent wireless vector, not local syscall/ioctl or physical USB access.\nAC:L - The malicious peer receives the host GET_REPORT and can deterministically reply with a header-only DATA frame or a malformed numbered-report payload; no race or rare layout conditions beyond an active HIDP session are required.\nPR:N - Exploitation is performed by the remote Bluetooth HIDP peer sending malicious protocol data; the attacker needs no local account, capabilities, or init-namespace root on the victim host.\nUI:N - Once a HIDP session exists, the peer can trigger the bug by answering host-initiated GET_REPORT requests from HIDIOCGFEATURE or kernel HID probe I/O without any additional victim action at exploit time.\nS:U - Impact is confined to kernel Bluetooth HIDP/hidraw handling on the victim host; it does not cross a VM, container, or IOMMU security boundary to affect a separate authority.\nC:H - With numbered reports, hidp_process_data() reads skb->data[0] when skb->len is zero or beyond the declared L2CAP PDU, causing an out-of-bounds/uninitialized heap read that may contain stale kernel memory.\nI:L - Accepting malformed numbered-report responses can complete HIDIOCGFEATURE with incorrect zero-length or attacker-chosen report-ID data, causing limited integrity impact on returned HID feature-report contents.\nA:N - The defect is an invalid payload-length check and uninitialized/OOB read during report matching; it does not cause a documented kernel oops, panic, hang, or repeatable denial of service."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "011bf4350d941f1995b2bd4b815ee206cacf2b8e", "versionType": "git"}, {"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "689d8bb7fee96b7196b572b015b6055c6616ce0c", "versionType": "git"}, {"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "c73beb320f5705e508bf7d385b8cc5ef8d9c8b69", "versionType": "git"}, {"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "b7ad105d46acd828e424454815e4cd31069e047a", "versionType": "git"}, {"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "7e7162427659b70ea17cd41b1f79e2e64c246690", "versionType": "git"}, {"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "27cc0e603355c585f1e5da8398faa4d36d498188", "versionType": "git"}, {"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "9c841f59e10b5d75c398a3fc6b2da448d2a2276b", "versionType": "git"}, {"status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "lessThan": "34f53d27b81a16a02828c8fdfa4e02badc326f17", "versionType": "git"}], "programFiles": ["net/bluetooth/hidp/core.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.39"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.39", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.265", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.216", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.183", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.151", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.103", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.44", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.8", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/bluetooth/hidp/core.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/011bf4350d941f1995b2bd4b815ee206cacf2b8e"}, {"url": "https://git.kernel.org/stable/c/689d8bb7fee96b7196b572b015b6055c6616ce0c"}, {"url": "https://git.kernel.org/stable/c/c73beb320f5705e508bf7d385b8cc5ef8d9c8b69"}, {"url": "https://git.kernel.org/stable/c/b7ad105d46acd828e424454815e4cd31069e047a"}, {"url": "https://git.kernel.org/stable/c/7e7162427659b70ea17cd41b1f79e2e64c246690"}, {"url": "https://git.kernel.org/stable/c/27cc0e603355c585f1e5da8398faa4d36d498188"}, {"url": "https://git.kernel.org/stable/c/9c841f59e10b5d75c398a3fc6b2da448d2a2276b"}, {"url": "https://git.kernel.org/stable/c/34f53d27b81a16a02828c8fdfa4e02badc326f17"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: HIDP: validate numbered report payloads\n\nWhen hidp_get_raw_report() waits for a numbered report,\nhidp_process_data() compares the expected report number with skb->data[0].\nA connected HIDP peer can reply with only a DATA transaction header,\nleaving the skb empty after the header is removed.\n\nKMSAN reports an uninitialized-value use in hidp_session_run(), with the\nvalue originating in __alloc_skb() through vhci_write(). The transaction\nheader checks remove the empty-frame reports, but this report remains until\nthe payload check is added.\n\nThe comparison can also consume a peer-controlled byte beyond the declared\nL2CAP PDU. A DATA | FEATURE response followed by an extra 0x01 byte made\nthe current code accept that byte as report ID 1 and complete\nHIDIOCGFEATURE with a zero-byte result. With this change the malformed\nresponse is rejected with -EIO, while a subsequent valid response still\nsucceeds.\n\nRequire a payload byte before comparing a numbered report ID. Unnumbered\nreports continue to accept an empty payload."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.265", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.216", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.183", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.151", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.103", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.44", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.8", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "2.6.39"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-19T16:38:05.065Z"}}}, "cveMetadata": {"cveId": "CVE-2026-74507", "state": "PUBLISHED", "dateUpdated": "2026-10-16T19:05:51.043Z", "dateReserved": "2026-08-15T05:44:03.908Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-15T12:27:30.683Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/bluetooth/hidp/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "011bf4350d941f1995b2bd4b815ee206cacf2b8e", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}, {"lessThan": "689d8bb7fee96b7196b572b015b6055c6616ce0c", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}, {"lessThan": "c73beb320f5705e508bf7d385b8cc5ef8d9c8b69", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}, {"lessThan": "b7ad105d46acd828e424454815e4cd31069e047a", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}, {"lessThan": "7e7162427659b70ea17cd41b1f79e2e64c246690", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}, {"lessThan": "27cc0e603355c585f1e5da8398faa4d36d498188", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}, {"lessThan": "9c841f59e10b5d75c398a3fc6b2da448d2a2276b", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}, {"lessThan": "34f53d27b81a16a02828c8fdfa4e02badc326f17", "status": "affected", "version": "0ff1731a1ae51e8e48cd559d70db536281c47f8e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/bluetooth/hidp/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.39"}, {"lessThan": "2.6.39", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.265", "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": "6.6.151", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.103", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.44", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.8", "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\nBluetooth: HIDP: validate numbered report payloads\n\nWhen hidp_get_raw_report() waits for a numbered report,\nhidp_process_data() compares the expected report number with skb->data[0].\nA connected HIDP peer can reply with only a DATA transaction header,\nleaving the skb empty after the header is removed.\n\nKMSAN reports an uninitialized-value use in hidp_session_run(), with the\nvalue originating in __alloc_skb() through vhci_write(). The transaction\nheader checks remove the empty-frame reports, but this report remains until\nthe payload check is added.\n\nThe comparison can also consume a peer-controlled byte beyond the declared\nL2CAP PDU. A DATA | FEATURE response followed by an extra 0x01 byte made\nthe current code accept that byte as report ID 1 and complete\nHIDIOCGFEATURE with a zero-byte result. With this change the malformed\nresponse is rejected with -EIO, while a subsequent valid response still\nsucceeds.\n\nRequire a payload byte before comparing a numbered report ID. Unnumbered\nreports continue to accept an empty payload."}], "id": "CVE-2026-74507", "lastModified": "2026-10-16T20:17:33.213", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-74507", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T18:58:31.395135Z", "version": "2.0.3"}}]}, "published": "2026-08-15T13:17:55.733", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/011bf4350d941f1995b2bd4b815ee206cacf2b8e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/27cc0e603355c585f1e5da8398faa4d36d498188"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/34f53d27b81a16a02828c8fdfa4e02badc326f17"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/689d8bb7fee96b7196b572b015b6055c6616ce0c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7e7162427659b70ea17cd41b1f79e2e64c246690"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c841f59e10b5d75c398a3fc6b2da448d2a2276b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b7ad105d46acd828e424454815e4cd31069e047a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c73beb320f5705e508bf7d385b8cc5ef8d9c8b69"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Bluetooth: HIDP: validate numbered report payloads", "id": "2516976", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516976"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-824", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: HIDP: validate numbered report payloads\nWhen hidp_get_raw_report() waits for a numbered report,\nhidp_process_data() compares the expected report number with skb->data[0].\nA connected HIDP peer can reply with only a DATA transaction header,\nleaving the skb empty after the header is removed.\nKMSAN reports an uninitialized-value use in hidp_session_run(), with the\nvalue originating in __alloc_skb() through vhci_write(). The transaction\nheader checks remove the empty-frame reports, but this report remains until\nthe payload check is added.\nThe comparison can also consume a peer-controlled byte beyond the declared\nL2CAP PDU. A DATA | FEATURE response followed by an extra 0x01 byte made\nthe current code accept that byte as report ID 1 and complete\nHIDIOCGFEATURE with a zero-byte result. With this change the malformed\nresponse is rejected with -EIO, while a subsequent valid response still\nsucceeds.\nRequire a payload byte before comparing a numbered report ID. Unnumbered\nreports continue to accept an empty payload.", "A flaw was found in the Linux kernel's Bluetooth Human Interface Device Protocol (HIDP) component. A connected HIDP peer can send a malformed report with only a data transaction header, leading to the use of an uninitialized value in `hidp_session_run()`. This vulnerability could potentially result in a denial of service or information disclosure. Additionally, a peer-controlled byte beyond the declared L2CAP Protocol Data Unit (PDU) could be consumed, causing incorrect processing of HID feature requests."], "name": "CVE-2026-74507", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74507\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74507\nhttps://lore.kernel.org/linux-cve-announce/2026081542-CVE-2026-74507-2e79@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ff1731a1ae51e8e48cd559d70db536281c47f8e,b7ad105d46acd828e424454815e4cd31069e047a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ff1731a1ae51e8e48cd559d70db536281c47f8e,7e7162427659b70ea17cd41b1f79e2e64c246690)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ff1731a1ae51e8e48cd559d70db536281c47f8e,27cc0e603355c585f1e5da8398faa4d36d498188)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ff1731a1ae51e8e48cd559d70db536281c47f8e,9c841f59e10b5d75c398a3fc6b2da448d2a2276b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0ff1731a1ae51e8e48cd559d70db536281c47f8e,34f53d27b81a16a02828c8fdfa4e02badc326f17)"}}], "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": "semver", "value": "2.6.39"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.39)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.151,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.103,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.44,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.8,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc6,*]"}}], "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": "2026-08-15T17:00:12.631403+00:00", "updated": "2026-08-22T00:30:16.942814+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}