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Related Vulnerabilities: CVE-2022-42329

DescriptionThe MITRE CVE dictionary describes this issue as: 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).

Source

Affected Packages and Issued Red Hat Security Errata

Platform	Package	State
Red Hat Enterprise Linux 7	kernel-rt	Not affected
Red Hat Enterprise Linux 8	kernel-rt	Not affected
Red Hat Enterprise Linux 9	kernel-rt	Not affected
Red Hat Enterprise Linux 6	kernel	Not affected
Red Hat Enterprise Linux 7	kernel	Not affected
Red Hat Enterprise Linux 8	kernel	Not affected
Red Hat Enterprise Linux 9	kernel	Not affected

Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.

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Affected Packages and Issued Red Hat Security Errata

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