CVE-2022-42328
Medium
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).
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedDec 7, 2022
First seenDec 7, 2022
Weakness typeCWE-667CWE-667
How to fix
Update
- linux linux_kernel6.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.0 | 6.0 |
| debian debian_linux | 10.0 | — |
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