CVE-2022-42328

kernel: Xen Security Advisory 424 v1: guests can trigger deadlock in Linux netback driver

Published Dec 7, 2022 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3244-1 linux-5.10 security update
Debian DLA Debian DLA DLA-3245-1 linux security update
EUVD EUVD EUVD-2022-45403 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).
Ubuntu USN Ubuntu USN USN-5883-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5912-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5917-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5919-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5920-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5924-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5925-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5927-1 Linux kernel (Azure) vulnerabilities
Ubuntu USN Ubuntu USN USN-5934-1 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-5935-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5938-1 Linux kernel (GKE) vulnerabilities
Ubuntu USN Ubuntu USN USN-5939-1 Linux kernel (GCP) vulnerabilities
Ubuntu USN Ubuntu USN USN-5940-1 Linux kernel (Raspberry Pi) vulnerabilities
Ubuntu USN Ubuntu USN USN-5941-1 Linux kernel (KVM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5951-1 Linux kernel (IBM) vulnerabilities
Ubuntu USN Ubuntu USN USN-5962-1 Linux kernel (Intel IoTG) vulnerabilities
Ubuntu USN Ubuntu USN USN-5970-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5975-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-5979-1 Linux kernel (HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-6000-1 Linux kernel (BlueField) vulnerabilities
Ubuntu USN Ubuntu USN USN-6007-1 Linux kernel (GCP) vulnerabilities
History
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
XEN
Published
Updated
Oct 14, 2026, 6:17 PM
Reserved
Oct 3, 2022, 12:00 AM
Status
Modified
Published
Dec 7, 2022, 1:15 AM
Modified
Oct 14, 2026, 7:16 PM
Severity
Moderate
Public date
Dec 8, 2022, 10:00 AM