The vulnerability of the register_shm_helper() function in the drivers/tee/tee_shm.c module of the Linux kernel’s trusted execution environment driver allows a attacker to cause a service failure.

The vulnerability of the registershmhelper function in the drivers/tee/teeshm.c file of the Linux kernel’s trusted execution environment driver relates to the failure to release resources after their useful life has ended. Exploiting this vulnerability could allow an attacker to cause a service...

CVE-2026-53210: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tee: shm: fix shm leak in registershmhelper registershmhelper allocates shm before calling ioviternpages. If ioviternpages returns 0, the function jumps to errctxput and leaks shm. This can be triggered by TEEIOCSHMREGISTER with...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992432)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992432 advisory. In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in registershmhelper With special lengths supplied by user space,...

CVE-2025-40031: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tee: fix registershmhelper In registershmhelper, fix incorrect error handling for a call to ioviterextractpages. A case is missing for when ioviterextractpages only got some pages and return a number larger than 0, but not the...

CVE-2022-50080

In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in registershmhelper With special lengths supplied by user space, registershmhelper has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes...

CVE-2022-50080

In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in registershmhelper With special lengths supplied by user space, registershmhelper has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes...

CVE-2022-50080 tee: add overflow check in register_shm_helper()

In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in registershmhelper With special lengths supplied by user space, registershmhelper has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes...

CVE-2022-50080

In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in registershmhelper With special lengths supplied by user space, registershmhelper has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes...

CVE-2022-50080: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in registershmhelper With special lengths supplied by user space, registershmhelper has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes...

kernel: tee: add overflow check in register_shm_helper()

In the Linux kernel, the following vulnerability has been resolved: tee: add overflow check in registershmhelper With special lengths supplied by user space, registershmhelper has an integer overflow when calculating the number of pages covered by a supplied user space memory region. This causes...

GSD-2022-1005816 tee: add overflow check in register_shm_helper()

tee: add overflow check in registershmhelper This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.137 by commit...

GSD-2022-1005542 tee: add overflow check in register_shm_helper()

tee: add overflow check in registershmhelper This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.62 by commit...