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).
History

Wed, 23 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: XEN

Published: 2022-12-07T00:00:00.000Z

Updated: 2025-04-23T14:26:39.413Z

Reserved: 2022-10-03T00:00:00.000Z

Link: CVE-2022-42328

cve-icon Vulnrichment

Updated: 2024-08-03T13:03:45.967Z

cve-icon NVD

Status : Modified

Published: 2022-12-07T01:15:11.273

Modified: 2025-04-23T15:15:51.370

Link: CVE-2022-42328

cve-icon Redhat

Severity : Moderate

Publid Date: 2022-12-08T10:00:00Z

Links: CVE-2022-42328 - Bugzilla