{"id":"CVE-2022-42328","title":"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 mig…","summary":"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 mig…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-667"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel < 6.0","debian_linux = 10.0"],"patched":["linux_kernel 6.0"],"published":"2022-12-07","updated":"2026-10-14","sourceUpdated":"2026-10-14T19:16:50.057","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-42328","references":[{"url":"http://www.openwall.com/lists/oss-security/2022/12/08/2","label":"security@xen.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/08/3","label":"security@xen.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/09/2","label":"security@xen.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html","label":"security@xen.org"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html","label":"security@xen.org"},{"url":"https://xenbits.xenproject.org/xsa/advisory-424.txt","label":"security@xen.org"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/08/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/08/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2022/12/09/2","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://xenbits.xenproject.org/xsa/advisory-424.txt","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-625862.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-794697.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00224,"epssPercentile":0.12988,"ingestedAt":"2026-10-14T19:49:57.526Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-04-23T14:25:41.282586Z"},"scores":{"nvd":5.5,"adp":6.2},"slug":"CVE-2022-42328","body":"## Overview\n\nGuests 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).\n\n## Affected\n\n- `linux_kernel < 6.0`\n- `debian_linux = 10.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.0`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}