CVE-2026-36355

CVE-2026-36355: Realtek rtl819x Jungle SDK - Unauthenticated Kernel Memory Read/Write via Debug ioctls CVE : CVE-2026-36355 CWE : CWE-782, CWE-787, CWE-200 Discoverer : Daniil Gordeev Disclosed : 2026-05-03 Summary The rtl8192cd Wi-Fi kernel driver in the Realtek rtl819x out-of-tree "Jungle SDK"...

CVE-2026-36355

The rtl8192cd Wi-Fi kernel driver in the Realtek rtl819x Jungle SDK all known versions through v3.4.14B does not perform any access control checks on the writemem ioctl 0x89F5 and readmem ioctl 0x89F6 debug handlers, which are compiled into production builds via the unconditionally defined...

PT-2026-37043

Name of the Vulnerable Software and Affected Versions Realtek rtl819x Jungle SDK versions prior to v3.4.14B Description The rtl8192cd Wi-Fi kernel driver fails to perform access control checks on the write mem ioctl 0x89F5 and read mem ioctl 0x89F6 debug handlers. These handlers are included in...

CVE-2026-36355

The rtl8192cd Wi-Fi kernel driver in the Realtek rtl819x Jungle SDK all known versions through v3.4.14B does not perform any access control checks on the writemem ioctl 0x89F5 and readmem ioctl 0x89F6 debug handlers, which are compiled into production builds via the unconditionally defined...

CVE-2026-36355

The Realtek rtl819x Jungle SDK (all known versions through v3.4.14B ) contains a vulnerability in the rtl8192cd Wi-Fi kernel driver. The root cause is the lack of access control checks on the write_mem (ioctl 0x89F5) and read_mem (ioctl 0x89F6) debug handlers, which are included in production bui...

CVE-2026-36355

The rtl8192cd Wi-Fi kernel driver in the Realtek rtl819x Jungle SDK all known versions through v3.4.14B does not perform any access control checks on the writemem ioctl 0x89F5 and readmem ioctl 0x89F6 debug handlers, which are compiled into production builds via the unconditionally defined...

CVE-2026-36355: Exposure of Sensitive Information to an Unauthorized Actor

The rtl8192cd Wi-Fi kernel driver in the Realtek rtl819x Jungle SDK all known versions through v3.4.14B does not perform any access control checks on the writemem ioctl 0x89F5 and readmem ioctl 0x89F6 debug handlers, which are compiled into production builds via the unconditionally defined...

CVE-2026-36355

The rtl8192cd Wi-Fi kernel driver in the Realtek rtl819x Jungle SDK all known versions through v3.4.14B does not perform any access control checks on the writemem ioctl 0x89F5 and readmem ioctl 0x89F6 debug handlers, which are compiled into production builds via the unconditionally defined...