{"api_version":"1","generated_at":"2026-04-22T20:30:41+00:00","cve":"CVE-2022-42329","urls":{"html":"https://cve.report/CVE-2022-42329","api":"https://cve.report/api/cve/CVE-2022-42329.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-42329","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-42329"},"summary":{"title":"CVE-2022-42329","description":"Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll being active for the interface the xen-netback driver is connected to (CVE-2022-42329).","state":"PUBLIC","assigner":"security@xen.org","published_at":"2022-12-07 01:15:00","updated_at":"2023-01-10 19:39:00"},"problem_types":["CWE-667"],"metrics":[],"references":[{"url":"http://www.openwall.com/lists/oss-security/2022/12/08/3","name":"[oss-security] 20221208 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driver","refsource":"MLIST","tags":[],"title":"oss-security - Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) -\n Guests can trigger deadlock in Linux netback driver","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html","name":"[debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3245-1] linux security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/09/2","name":"[oss-security] 20221209 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driver","refsource":"MLIST","tags":[],"title":"oss-security - Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) -\n Guests can trigger deadlock in Linux netback driver","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/08/2","name":"[oss-security] 20221208 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driver","refsource":"MLIST","tags":[],"title":"oss-security - Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) -\n Guests can trigger deadlock in Linux netback driver","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html","name":"[debian-lts-announce] 20221222 [SECURITY] [DLA 3244-1] linux-5.10 security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3244-1] linux-5.10 security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://xenbits.xenproject.org/xsa/advisory-424.txt","name":"https://xenbits.xenproject.org/xsa/advisory-424.txt","refsource":"MISC","tags":[],"title":"","mime":"text/plain","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-42329","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42329","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"42329","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"debian","cpe5":"debian_linux","cpe6":"10.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"42329","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-42329","qid":"181437","title":"Debian Security Update for linux (CVE-2022-42329)"},{"cve":"CVE-2022-42329","qid":"181440","title":"Debian Security Update for linux-5.10 (DLA 3244-1)"},{"cve":"CVE-2022-42329","qid":"181565","title":"Debian Security Update 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which CVE.] The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll being active for the interface the xen-netback driver is connected to (CVE-2022-42329)."}]},"impact":{"impact_data":{"description":{"description_data":[{"lang":"eng","value":"A malicious guest could cause Denial of Service (DoS) of the host via\nthe paravirtualized network interface."}]}}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"unknown"}]}]},"references":{"reference_data":[{"url":"https://xenbits.xenproject.org/xsa/advisory-424.txt","refsource":"MISC","name":"https://xenbits.xenproject.org/xsa/advisory-424.txt"},{"refsource":"MLIST","name":"[oss-security] 20221208 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driver","url":"http://www.openwall.com/lists/oss-security/2022/12/08/3"},{"refsource":"MLIST","name":"[oss-security] 20221208 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driver","url":"http://www.openwall.com/lists/oss-security/2022/12/08/2"},{"refsource":"MLIST","name":"[oss-security] 20221209 Re: Xen Security Advisory 424 v1 (CVE-2022-42328,CVE-2022-42329) - Guests can trigger deadlock in Linux netback driver","url":"http://www.openwall.com/lists/oss-security/2022/12/09/2"},{"refsource":"MLIST","name":"[debian-lts-announce] 20221222 [SECURITY] [DLA 3244-1] linux-5.10 security update","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html"},{"refsource":"MLIST","name":"[debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security update","url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html"}]},"workaround":{"workaround_data":{"description":{"description_data":[{"lang":"eng","value":"Using another PV network backend (e.g. the qemu based \"qnic\" backend)\nwill mitigate the problem.\n\nUsing a dedicated network driver domain per guest will mitigate the\nproblem."}]}}}},"nvd":{"publishedDate":"2022-12-07 01:15:00","lastModifiedDate":"2023-01-10 19:39:00","problem_types":["CWE-667"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":1.8,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.0","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}