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).

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-10

https://xenbits.xenproject.org/xsa/advisory-424.txt

https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html

https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html

http://www.openwall.com/lists/oss-security/2022/12/09/2

http://www.openwall.com/lists/oss-security/2022/12/08/3

http://www.openwall.com/lists/oss-security/2022/12/08/2

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3