CVE-2022-42328

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).

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory openwall.com Third-Party Advisory debian.org Third-Party Advisory debian.org Third-Party Advisory xenproject.org
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://xenbits.xenproject.org/xsa/advisory-424.txt third party advisory
http://www.openwall.com/lists/oss-security/2022/12/08/3 patch mailing list third party advisory
http://www.openwall.com/lists/oss-security/2022/12/08/2 patch mailing list third party advisory
http://www.openwall.com/lists/oss-security/2022/12/09/2 patch mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2022-42328?
CVE-2022-42328 has been scored as a medium severity vulnerability.
How to fix CVE-2022-42328?
To fix CVE-2022-42328, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-42328 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-42328 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-42328?
CVE-2022-42328 affects Linux Linux.
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