Multiple vulnerabilities in Image Scanner Driver for Linux

Multiple vulnerabilities have been identified in the Image Scanner Driver for Linux provided by PFU Limited. Specific technical details and affected versions are not disclosed in the available information. No known exploits are reported in the wild at this time.

• jvn.jp/en/vu/JVNVU96968110/ (opens in a new tab)

• ZDI-26-998: Linux Kernel KSMBD SMB Direct Integer Underflow Remote Code Execution VulnerabilityCriticalVulnerability2026-11-13
• ZDI-26-999: Linux Kernel Proc File System Pagemap Scan Use-After-Free Local Privilege Escalation VulnerabilityHighVulnerability2026-11-13
• ZDI-26-1000: Linux Kernel GSM Multiplexing Race Condition Local Privilege Escalation VulnerabilityHighVulnerability2026-11-13
• ZDI-26-1001: Linux Kernel SCTP Subsystem Race Condition Local Privilege Escalation VulnerabilityHighVulnerability2026-11-13
• ZDI-26-1002: Linux Kernel Net Scheduler Qdisc Improper Validation of Array Index Local Privilege Escalation VulnerabilityHighVulnerability2026-11-13