CVE-2026-80604

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80604", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.772Z", "datePublished": "2026-08-28T06:48:29.755Z", "dateUpdated": "2026-10-16T19:26:30.189Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-29T06:21:15.771Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: core: Fix OOB read in hid_get_report for numbered reports\n\nWhen a caller passes a size of 0 to hid_report_raw_event() for a\nnumbered report, the function originally called hid_get_report() before\nperforming any size validation.\n\nInside hid_get_report(), if the report is numbered (report_enum->numbered\nis true), it unconditionally dereferences data[0] to extract the report ID.\nWith a size of 0, this results in an out-of-bounds read or kernel panic.\n\nFix this by moving the numbered report size validation check before the\ncall to hid_get_report(), ensuring that size is at least 1 before\ndereferencing the data pointer."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:A - A malicious Bluetooth HID peripheral with numbered reports can reach hid_report_raw_event() during driver probe/feature mapping (e.g., mt_get_feature()) when hid_report_len() is 0, bypassing __hid_input_report(); BT HIDP delivers attacker-controlled descriptors over an adjacent wireless link.\nAC:L - An attacker fully controls the HID report descriptor and GET_REPORT responses; pairing/connecting a device with numbered reports plus a zero-length report ID 0 deterministically calls hid_report_raw_event() with size 0 during probe, with no race or victim-specific heap layout required.\nPR:N - Exploitation requires only a malicious HID peripheral presenting a crafted numbered-report descriptor; the attacker needs no local account, capabilities, or init-namespace privileges on the victim host.\nUI:N - Feature-mapping probe I/O runs automatically during HID enumeration when the device connects or auto-reconnects; no additional victim file-open, mount, or application interaction is needed beyond standard peripheral attachment handled by the kernel.\nS:U - The out-of-bounds read and kernel panic occur entirely within host kernel HID-core processing; impact does not cross a VM, container, or IOMMU boundary to a separate security authority.\nC:H - On numbered-report devices, hid_get_report() dereferences data[0] before any size validation when size is 0, causing an out-of-bounds kernel memory read that may disclose adjacent heap or slab contents.\nI:H - Kernel heap out-of-bounds reads in HID-core can corrupt parser state or be chained with further memory corruption primitives; per kernel guidance, OOB reads in kernel context warrant High integrity impact when exploitation potential exists.\nA:H - The fix commit and CVE description state that dereferencing data[0] with size 0 on numbered reports can cause a kernel panic; this is a kernel oops-class failure denying system availability until reboot."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/hid-core.c"], "versions": [{"version": "59bfdb41a34cf5d6af1c637348714c2b5a6ca676", "lessThan": "f8896b684e246f3f00f45ba2b6803ae59b9cc768", "status": "affected", "versionType": "git"}, {"version": "a4d6cb7cf45bddc76c78ed5fd683328af9e2018f", "lessThan": "30ff978af92cb51c9ba99f96fc4f4ac80d7001ba", "status": "affected", "versionType": "git"}, {"version": "121dc93ae1fcaa4b9a601eca6b3ca2e969c2fe2f", "lessThan": "c39f5765ad840b71ff8db812d0210f216cca96e4", "status": "affected", "versionType": "git"}, {"version": "9e36568e67f817c728f9d79049d212da79109a75", "lessThan": "c973d53bcd420b58c4a34c68198746286d77e9fa", "status": "affected", "versionType": "git"}, {"version": "fb3f7ec2606cdc7c6ef30970f381e571866bfd54", "lessThan": "c1fc0d3aff26ec9ff885b3e4c92eba98cf349678", "status": "affected", "versionType": "git"}, {"version": "509c2605065004fc4cd86ee50a9350d402785307", "lessThan": "dd395744e4ed87956fcbf81ecc6a20c51e35fa4e", "status": "affected", "versionType": "git"}, {"version": "2c85c61d1332e1e16f020d76951baf167dcb6f7a", "lessThan": "f7e8117e42b20c30d2a5edab82c944a5e381d791", "status": "affected", "versionType": "git"}, {"version": "2c85c61d1332e1e16f020d76951baf167dcb6f7a", "lessThan": "af1a9b65ebe8a948eda805c14b78d4d0767cb1b5", "status": "affected", "versionType": "git"}, {"version": "710a946b1aa2c35dc56f86621f436938f31ba1a5", "status": "affected", "versionType": "git"}, {"version": "5.10.259", "lessThan": "5.10.261", "status": "affected", "versionType": "semver"}, {"version": "5.15.210", "lessThan": "5.15.212", "status": "affected", "versionType": "semver"}, {"version": "6.1.176", "lessThan": "6.1.178", "status": "affected", "versionType": "semver"}, {"version": "6.6.143", "lessThan": "6.6.145", "status": "affected", "versionType": "semver"}, {"version": "6.12.93", "lessThan": "6.12.97", "status": "affected", "versionType": "semver"}, {"version": "6.18.33", "lessThan": "6.18.40", "status": "affected", "versionType": "semver"}, {"version": "7.0.10", "lessThan": "7.1", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hid/hid-core.c"], "versions": [{"version": "7.1", "status": "affected"}, {"version": "0", "lessThan": "7.1", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", 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"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1", "versionEndExcluding": "7.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.10"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f8896b684e246f3f00f45ba2b6803ae59b9cc768"}, {"url": "https://git.kernel.org/stable/c/30ff978af92cb51c9ba99f96fc4f4ac80d7001ba"}, {"url": "https://git.kernel.org/stable/c/c39f5765ad840b71ff8db812d0210f216cca96e4"}, {"url": "https://git.kernel.org/stable/c/c973d53bcd420b58c4a34c68198746286d77e9fa"}, {"url": "https://git.kernel.org/stable/c/c1fc0d3aff26ec9ff885b3e4c92eba98cf349678"}, {"url": "https://git.kernel.org/stable/c/dd395744e4ed87956fcbf81ecc6a20c51e35fa4e"}, {"url": "https://git.kernel.org/stable/c/f7e8117e42b20c30d2a5edab82c944a5e381d791"}, {"url": "https://git.kernel.org/stable/c/af1a9b65ebe8a948eda805c14b78d4d0767cb1b5"}], "title": "HID: core: Fix OOB read in hid_get_report for numbered reports", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-80604", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T19:18:35.002324Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T19:26:30.189Z"}}]}}

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attacker-controlled descriptors over an adjacent wireless link.\nAC:L - An attacker fully controls the HID report descriptor and GET_REPORT responses; pairing/connecting a device with numbered reports plus a zero-length report ID 0 deterministically calls hid_report_raw_event() with size 0 during probe, with no race or victim-specific heap layout required.\nPR:N - Exploitation requires only a malicious HID peripheral presenting a crafted numbered-report descriptor; the attacker needs no local account, capabilities, or init-namespace privileges on the victim host.\nUI:N - Feature-mapping probe I/O runs automatically during HID enumeration when the device connects or auto-reconnects; no additional victim file-open, mount, or application interaction is needed beyond standard peripheral attachment handled by the kernel.\nS:U - The out-of-bounds read and kernel panic occur entirely within host kernel HID-core processing; impact does not cross a VM, container, or IOMMU boundary to a separate security authority.\nC:H - On numbered-report devices, hid_get_report() dereferences data[0] before any size validation when size is 0, causing an out-of-bounds kernel memory read that may disclose adjacent heap or slab contents.\nI:H - Kernel heap out-of-bounds reads in HID-core can corrupt parser state or be chained with further memory corruption primitives; per kernel guidance, OOB reads in kernel context warrant High integrity impact when exploitation potential exists.\nA:H - The fix commit and CVE description state that dereferencing data[0] with size 0 on numbered reports can cause a kernel panic; this is a kernel oops-class failure denying system availability until reboot."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "59bfdb41a34cf5d6af1c637348714c2b5a6ca676", "lessThan": "f8896b684e246f3f00f45ba2b6803ae59b9cc768", "versionType": "git"}, {"status": "affected", "version": "a4d6cb7cf45bddc76c78ed5fd683328af9e2018f", "lessThan": "30ff978af92cb51c9ba99f96fc4f4ac80d7001ba", "versionType": "git"}, {"status": "affected", "version": "121dc93ae1fcaa4b9a601eca6b3ca2e969c2fe2f", "lessThan": "c39f5765ad840b71ff8db812d0210f216cca96e4", "versionType": "git"}, {"status": "affected", "version": "9e36568e67f817c728f9d79049d212da79109a75", "lessThan": "c973d53bcd420b58c4a34c68198746286d77e9fa", "versionType": "git"}, {"status": "affected", "version": "fb3f7ec2606cdc7c6ef30970f381e571866bfd54", "lessThan": "c1fc0d3aff26ec9ff885b3e4c92eba98cf349678", "versionType": "git"}, {"status": "affected", "version": "509c2605065004fc4cd86ee50a9350d402785307", "lessThan": "dd395744e4ed87956fcbf81ecc6a20c51e35fa4e", "versionType": "git"}, {"status": "affected", "version": "2c85c61d1332e1e16f020d76951baf167dcb6f7a", "lessThan": "f7e8117e42b20c30d2a5edab82c944a5e381d791", "versionType": "git"}, {"status": "affected", "version": 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"7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/hid/hid-core.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/f8896b684e246f3f00f45ba2b6803ae59b9cc768"}, {"url": "https://git.kernel.org/stable/c/30ff978af92cb51c9ba99f96fc4f4ac80d7001ba"}, {"url": "https://git.kernel.org/stable/c/c39f5765ad840b71ff8db812d0210f216cca96e4"}, {"url": "https://git.kernel.org/stable/c/c973d53bcd420b58c4a34c68198746286d77e9fa"}, {"url": "https://git.kernel.org/stable/c/c1fc0d3aff26ec9ff885b3e4c92eba98cf349678"}, {"url": "https://git.kernel.org/stable/c/dd395744e4ed87956fcbf81ecc6a20c51e35fa4e"}, {"url": "https://git.kernel.org/stable/c/f7e8117e42b20c30d2a5edab82c944a5e381d791"}, {"url": "https://git.kernel.org/stable/c/af1a9b65ebe8a948eda805c14b78d4d0767cb1b5"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: core: Fix OOB read in hid_get_report for numbered reports\n\nWhen a caller passes a size of 0 to hid_report_raw_event() for a\nnumbered report, the function originally called hid_get_report() before\nperforming any size validation.\n\nInside hid_get_report(), if the report is numbered (report_enum->numbered\nis true), it unconditionally dereferences data[0] to extract the report ID.\nWith a size of 0, this results in an out-of-bounds read or kernel panic.\n\nFix this by moving the numbered report size validation check before the\ncall to hid_get_report(), ensuring that size is at least 1 before\ndereferencing the data pointer."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.261", "versionStartIncluding": "5.10.259"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", 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"vulnerable": true, "versionStartIncluding": "7.0.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-29T06:21:15.771Z"}}}, "cveMetadata": {"cveId": "CVE-2026-80604", "state": "PUBLISHED", "dateUpdated": "2026-10-16T19:26:30.189Z", "dateReserved": "2026-08-26T14:34:25.772Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-28T06:48:29.755Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"status": "affected", "version": "6.12.93", "versionType": "semver"}, {"lessThan": "6.18.40", "status": "affected", "version": "6.18.33", "versionType": "semver"}, {"lessThan": "7.1", "status": "affected", "version": "7.0.10", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/hid/hid-core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.1"}, {"lessThan": "7.1", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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\nHID: core: Fix OOB read in hid_get_report for numbered reports\n\nWhen a caller passes a size of 0 to hid_report_raw_event() for a\nnumbered report, the function originally called hid_get_report() before\nperforming any size validation.\n\nInside hid_get_report(), if the report is numbered (report_enum->numbered\nis true), it unconditionally dereferences data[0] to extract the report ID.\nWith a size of 0, this results in an out-of-bounds read or kernel panic.\n\nFix this by moving the numbered report size validation check before the\ncall to hid_get_report(), ensuring that size is at least 1 before\ndereferencing the data pointer."}], "id": "CVE-2026-80604", "lastModified": "2026-10-16T20:18:03.453", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-80604", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T19:18:35.002324Z", "version": "2.0.3"}}]}, "published": "2026-08-28T08:16:44.317", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/30ff978af92cb51c9ba99f96fc4f4ac80d7001ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af1a9b65ebe8a948eda805c14b78d4d0767cb1b5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c1fc0d3aff26ec9ff885b3e4c92eba98cf349678"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c39f5765ad840b71ff8db812d0210f216cca96e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c973d53bcd420b58c4a34c68198746286d77e9fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dd395744e4ed87956fcbf81ecc6a20c51e35fa4e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f7e8117e42b20c30d2a5edab82c944a5e381d791"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f8896b684e246f3f00f45ba2b6803ae59b9cc768"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: HID: core: Fix OOB read in hid_get_report for numbered reports", "id": "2525498", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525498"}, "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-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nHID: core: Fix OOB read in hid_get_report for numbered reports\nWhen a caller passes a size of 0 to hid_report_raw_event() for a\nnumbered report, the function originally called hid_get_report() before\nperforming any size validation.\nInside hid_get_report(), if the report is numbered (report_enum->numbered\nis true), it unconditionally dereferences data[0] to extract the report ID.\nWith a size of 0, this results in an out-of-bounds read or kernel panic.\nFix this by moving the numbered report size validation check before the\ncall to hid_get_report(), ensuring that size is at least 1 before\ndereferencing the data pointer.", "A flaw was found in the Linux kernel's Human Interface Device (HID) core. When processing numbered reports, the `hid_get_report()` function can attempt to read data from an invalid memory location if a size of zero is provided. This out-of-bounds read can lead to a kernel panic, effectively causing a denial of service for the system."], "name": "CVE-2026-80604", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80604\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80604\nhttps://lore.kernel.org/linux-cve-announce/2026082832-CVE-2026-80604-5909@gregkh/T"], "threat_severity": "Moderate"}

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