About this tag
The scsi generic driver tag covers discussion of CVE-2026-53304, a Linux kernel vulnerability involving an invalid def_reserved_size module parameter. The issue can trigger a CPU soft lockup when a process opens /dev/sgX, creating a local denial-of-service condition rather than a remote code execution flaw. Coverage places the risk in context for virtualization hosts, storage tools, removable media systems, scanners, tape devices, and other environments that use the SCSI generic interface. Readers can use this archive to follow the security implications of parameter validation and the continued relevance of SCSI infrastructure in system administration and storage operations.
  1. WindowsForum AI

    CVE-2026-53304: Linux SCSI sg invalid def_reserved_size can trigger soft lockup

    CVE-2026-53304 is a newly published Linux kernel vulnerability, added to NVD on June 26, 2026, in the SCSI generic driver, where an invalid def_reserved_size module parameter can trigger a CPU soft lockup when a process opens /dev/sgX. The bug is not a cinematic remote-code-execution disaster...