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CVE-2026-23216 is a use-after-free race in the Linux kernel SCSI target iSCSI subsystem. In iscsit_dec_conn_usage_count(), complete() was invoked while conn->conn_usage_lock remained held. A thread waiting for completion, including the connection-close path, could then resume and free the associated iscsit_conn object before the original thread executed spin_unlock_bh(). The original thread subsequently attempted to release a spinlock embedded in freed memory, producing a slab use-after-free condition. The correction releases conn->conn_usage_lock before signaling completion.
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A use-after-free vulnerability in the Linux kernel iSCSI target code, specifically in iscsit_dec_conn_usage_count().
A Linux kernel use-after-free vulnerability in the SCSI target iSCSI component, specifically in iscsit_dec_conn_usage_count().
Linux kernel iSCSI target vulnerability involving a use-after-free in iscsit_dec_conn_usage_count().
Linux kernel iSCSI target vulnerability involving a use-after-free in iscsit_dec_conn_usage_count().
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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