CVE-2026-43345

Summary: The CVE concerns the Linux kernel IPA driver. For IPA v5.0+, the event ring index field moved from CH_C_CNTXT_0 to CH_C_CNTXT_1. The register definition intended to define this field in CH_C_CNTXT_1 but used the old identifier ERINDEX instead of CH_ERINDEX, causing an incorrect event rin...