{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-37159", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-10-08T21:14:06.882Z", "dateReserved": "2021-07-21T00:00:00.000Z", "datePublished": "2021-07-21T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-03-25T00:39:31.348Z"}, "descriptions": [{"lang": "en", "value": "hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://www.spinics.net/lists/linux-usb/msg202228.html"}, {"name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"}, {"name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"}, {"url": "https://www.oracle.com/security-alerts/cpujul2022.html"}, {"url": "https://security.netapp.com/advisory/ntap-20210819-0003/"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1188601"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:16:03.943Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.spinics.net/lists/linux-usb/msg202228.html", "tags": ["x_transferred"]}, {"name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"}, {"name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"}, {"url": "https://www.oracle.com/security-alerts/cpujul2022.html", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20210819-0003/", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145", "tags": ["x_transferred"]}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1188601", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-37159", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-08T21:12:41.897636Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T21:14:06.882Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.spinics.net/lists/linux-usb/msg202228.html", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html", "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update", "tags": ["mailing-list", "x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html", "name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update", "tags": ["mailing-list", "x_transferred"]}, {"url": "https://www.oracle.com/security-alerts/cpujul2022.html", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20210819-0003/", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145", "tags": ["x_transferred"]}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1188601", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T01:16:03.943Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-37159", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-08T21:12:41.897636Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-08T21:12:42.699Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://www.spinics.net/lists/linux-usb/msg202228.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html", "name": "[debian-lts-announce] 20211015 [SECURITY] [DLA 2785-1] linux-4.19 security update", "tags": ["mailing-list"]}, {"url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html", "name": "[debian-lts-announce] 20211216 [SECURITY] [DLA 2843-1] linux security update", "tags": ["mailing-list"]}, {"url": "https://www.oracle.com/security-alerts/cpujul2022.html"}, {"url": "https://security.netapp.com/advisory/ntap-20210819-0003/"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca"}, {"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145"}, {"url": "https://bugzilla.suse.com/show_bug.cgi?id=1188601"}], "descriptions": [{"lang": "en", "value": "hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-03-25T00:39:31.348Z"}}}, "cveMetadata": {"cveId": "CVE-2021-37159", "state": "PUBLISHED", "dateUpdated": "2026-10-08T21:14:06.882Z", "dateReserved": "2021-07-21T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2021-07-21T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0EDD470E-22A5-4E39-ACB1-68E284E7EC32", "versionEndIncluding": "5.13.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_binding_support_function:22.1.3:*:*:*:*:*:*:*", "matchCriteriaId": "6EDB6772-7FDB-45FF-8D72-952902A7EE56", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_network_exposure_function:22.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "9955F62A-75D3-4347-9AD3-5947FC365838", "vulnerable": true}, {"criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_policy:22.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "7A6D77C7-A2F4-4700-AB5A-3EC853496ECA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free."}, {"lang": "es", "value": "la funci\u00f3n hso_free_net_device en el archivo drivers/net/usb/hso.c en el kernel de Linux versiones hasta 5.13.4 llama a unregister_netdev sin comprobar el estado NETREG_REGISTERED, conllevando a un uso de memoria previamente liberada y un double free"}], "id": "CVE-2021-37159", "lastModified": "2026-10-08T22:17:11.047", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.5, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-37159", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-08T21:12:41.897636Z", "version": "2.0.3"}}]}, "published": "2021-07-21T15:16:20.777", "references": [{"source": "cve@mitre.org", "url": "https://bugzilla.suse.com/show_bug.cgi?id=1188601"}, {"source": "cve@mitre.org", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca"}, {"source": "cve@mitre.org", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210819-0003/"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2022.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.spinics.net/lists/linux-usb/msg202228.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.suse.com/show_bug.cgi?id=1188601"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a6ecfb39ba9d7316057cea823b196b734f6b18ca"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dcb713d53e2eadf42b878c12a471e74dc6ed3145"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20210819-0003/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://www.oracle.com/security-alerts/cpujul2022.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "url": "https://www.spinics.net/lists/linux-usb/msg202228.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}, {"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2022:1975", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-372.9.1.rt7.166.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-05-10T00:00:00Z"}, {"advisory": "RHSA-2022:1988", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-372.9.1.el8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2022-05-10T00:00:00Z"}], "bugzilla": {"description": "kernel: use-after-free in hso_free_net_device() in drivers/net/usb/hso.c", "id": "1985353", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1985353"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-416", "details": ["hso_free_net_device in drivers/net/usb/hso.c in the Linux kernel through 5.13.4 calls unregister_netdev without checking for the NETREG_REGISTERED state, leading to a use-after-free and a double free.", "A flaw use-after-free in the Linux kernel USB High Speed Mobile Devices functionality was found in the way user detaches USB device. A local user could use this flaw to crash the system or escalate their privileges on the system."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, prevent the module hso from being loaded. Please see https://access.redhat.com/solutions/41278 for information on how to blacklist a kernel module to prevent it from loading automatically."}, "name": "CVE-2021-37159", "package_state": [{"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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-alt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2020-10-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-37159\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-37159\nhttps://www.spinics.net/lists/linux-usb/msg202228.html"], "threat_severity": "Moderate"}

{}