CVE-2022-42328

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).

CVSS v3.0 5.5 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://xenbits.xenproject.org/xsa/advisory-424.txt	Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/08/3	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/08/2	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/09/2	Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2022-12-06 17:15

Updated : 2023-01-10 11:40

NVD link : CVE-2022-42328

Mitre link : CVE-2022-42328

JSON object : View

CWE

CWE-667

Improper Locking

Products Affected

debian

debian_linux

linux

linux_kernel

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