Vulnerability 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).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 6.0 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/12/08/2Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/12/08/3Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/12/09/2Mailing ListPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlMailing ListThird Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-424.txtVendor Advisory
- http://www.openwall.com/lists/oss-security/2022/12/08/2Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/12/08/3Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/12/09/2Mailing ListPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlMailing ListThird Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-424.txtVendor Advisory
FAQ
What is CVE-2022-42329?
CVE-2022-42329 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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-3...
How severe is CVE-2022-42329?
CVE-2022-42329 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-42329?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.