CVE-2022-42328: Debian Linux
Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.
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).
Affected products
Published 2022-12-07. Last modified 2026-06-17.