{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-3643", "assignerOrgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "assignerShortName": "XEN", "dateUpdated": "2024-08-03T01:14:03.290Z", "dateReserved": "2022-10-21T00:00:00", "datePublished": "2022-12-07T00:00:00"}, "containers": {"cna": {"providerMetadata": {"orgId": "23aa2041-22e1-471f-9209-9b7396fa234f", "shortName": "XEN", "dateUpdated": "2023-11-29T15:06:24.713460"}, "descriptions": [{"lang": "en", "value": "Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol headers are all contained within the linear section of the SKB and some NICs behave badly if this is not the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2x) though it may be an issue with other NICs/drivers as well. In case the frontend is sending requests with split headers, netback will forward those violating above mentioned assumption to the networking core, resulting in said misbehavior."}], "affected": [{"vendor": "Linux", "product": "Linux", "versions": [{"version": "consult Xen advisory XSA-423", "status": "unknown"}]}], "references": [{"url": "https://xenbits.xenproject.org/xsa/advisory-423.txt"}, {"name": "[oss-security] 20221207 Xen Security Advisory 423 v2 (CVE-2022-3643) - Guests can trigger NIC interface reset/abort/crash via netback", "tags": ["mailing-list"], "url": "http://www.openwall.com/lists/oss-security/2022/12/07/2"}, {"name": "[debian-lts-announce] 20221222 [SECURITY] [DLA 3244-1] linux-5.10 security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"}, {"name": "[debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security update", "tags": ["mailing-list"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html"}, {"url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"}], "metrics": [{"other": {"type": "unknown", "content": {"description": {"description_data": [{"lang": "eng", "value": "An unprivileged guest can cause network Denial of Service (DoS) of the\nhost by sending network packets to the backend causing the related\nphysical NIC to reset, abort, or crash.\n\nData corruption or privilege escalation seem unlikely but have not been\nruled out."}]}}}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "unknown"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T01:14:03.290Z"}, "title": "CVE Program Container", "references": [{"url": "https://xenbits.xenproject.org/xsa/advisory-423.txt", "tags": ["x_transferred"]}, {"name": "[oss-security] 20221207 Xen Security Advisory 423 v2 (CVE-2022-3643) - Guests can trigger NIC interface reset/abort/crash via netback", "tags": ["mailing-list", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2022/12/07/2"}, {"name": "[debian-lts-announce] 20221222 [SECURITY] [DLA 3244-1] linux-5.10 security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"}, {"name": "[debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security update", "tags": ["mailing-list", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html"}, {"url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html", "tags": ["x_transferred"]}]}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:broadcom:bcm5780:-:*:*:*:*:*:*:*", "matchCriteriaId": "34DF5EC8-0B14-4DE0-8C9C-7E6B388F7878", "vulnerable": false}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "29BF4771-EF94-4681-A778-F55F6FB556F9", "versionEndExcluding": "4.9.336", "versionStartIncluding": "3.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FB3E1F82-01A3-456E-9C83-D567B9A75815", "versionEndExcluding": "4.14.302", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1185B8E3-712E-4BFB-BD01-78D47F7EF1F2", "versionEndExcluding": "4.19.269", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8C752145-904B-474A-A7F2-E9F29353B0FE", "versionEndExcluding": "5.4.227", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7318B597-DFFD-4BBC-A947-539D6E30D82A", "versionEndExcluding": "5.10.159", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "90897BD1-104D-4CFF-94F5-29F9041217FB", "versionEndExcluding": "5.15.83", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "389392A7-81C4-4C26-884B-8C7CF0F53DA4", "versionEndExcluding": "6.0.13", "versionStartIncluding": "5.16", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol headers are all contained within the linear section of the SKB and some NICs behave badly if this is not the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2x) though it may be an issue with other NICs/drivers as well. In case the frontend is sending requests with split headers, netback will forward those violating above mentioned assumption to the networking core, resulting in said misbehavior."}, {"lang": "es", "value": "Los invitados pueden activar el reinicio, cancelaci\u00f3n o bloqueo de la interfaz NIC a trav\u00e9s de netback. Es posible que un invitado active un reinicio, cancelaci\u00f3n o bloqueo de la interfaz NIC en un servidor de red basado en Linux enviando ciertos tipos de paquetes. Parece ser una suposici\u00f3n (\u00bfno escrita?) en el resto de la pila de red de Linux de que todos los encabezados de protocolo de paquetes est\u00e1n contenidos dentro de la secci\u00f3n lineal del SKB y que algunas NIC se comportan mal si este no es el caso. Se ha informado que esto ocurre con Cisco (enic) y Broadcom NetXtrem II BCM5780 (bnx2x), aunque tambi\u00e9n puede ser un problema con otras NIC/controladores. En caso de que el frontend env\u00ede solicitudes con encabezados divididos, netback reenviar\u00e1 aquellas que violen la suposici\u00f3n mencionada anteriormente al n\u00facleo de la red, lo que resultar\u00e1 en dicho mal comportamiento."}], "id": "CVE-2022-3643", "lastModified": "2023-11-29T15:15:07.700", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-12-07T01:15:11.207", "references": [{"source": "security@xen.org", "url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"}, {"source": "security@xen.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2022/12/07/2"}, {"source": "security@xen.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"}, {"source": "security@xen.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html"}, {"source": "security@xen.org", "tags": ["Vendor Advisory"], "url": "https://xenbits.xenproject.org/xsa/advisory-423.txt"}], "sourceIdentifier": "security@xen.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "v1: Guests can trigger NIC interface reset/abort/crash via netback", "id": "2158198", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2158198"}, "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"}, "details": ["Guests can trigger NIC interface reset/abort/crash via netback It is possible for a guest to trigger a NIC interface reset/abort/crash in a Linux based network backend by sending certain kinds of packets. It appears to be an (unwritten?) assumption in the rest of the Linux network stack that packet protocol headers are all contained within the linear section of the SKB and some NICs behave badly if this is not the case. This has been reported to occur with Cisco (enic) and Broadcom NetXtrem II BCM5780 (bnx2x) though it may be an issue with other NICs/drivers as well. In case the frontend is sending requests with split headers, netback will forward those violating above mentioned assumption to the networking core, resulting in said misbehavior.", "A possible reset/abort/crash flaw was found in the Linux kernel\u2019s XEN driver when sending certain kinds of packets. This flaw allows a local user to crash the system."], "name": "CVE-2022-3643", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "2022-11-22T10:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-3643\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-3643\nhttps://seclists.org/oss-sec/2022/q4/att-170/xsa423-linux.patch"], "threat_severity": "Moderate"}