CVE-2026-53124

A flaw was found in the ublk subsystem of the Linux kernel. When a ublk server fails to complete all I/O input/output operations, a per-I/O cancellation flag may remain set. This prevents the successful cancellation of outstanding I/O commands, potentially leading to resource exhaustion or a deni...

CVE-2026-53124 ublk: reset per-IO canceled flag on each fetch

In the Linux kernel, the following vulnerability has been resolved: ublk: reset per-IO canceled flag on each fetch If a ublk server starts recovering devices but dies before issuing fetch commands for all IOs, cancellation of the fetch commands that were successfully issued may never complete. Th...

PT-2026-52018

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ublk component where the per-IO canceled flag may remain set if a ublk server dies after issuing some, but not all, fetch commands during device recovery. Because...