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).

Weakness classification

• nvd@nist.gov: CWE-667
• 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-667

Primary references

• security@xen.org — Mailing List, Patch, Third Party Advisory
• security@xen.org — Mailing List, Patch, Third Party Advisory
• security@xen.org — Mailing List, Patch, Third Party Advisory
• security@xen.org — Mailing List, Third Party Advisory
• security@xen.org — Mailing List, Third Party Advisory
• security@xen.org — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory