Astra Linux – Vulnerability in Linux, Linux 5.10

A use-after-free exists in the drivers/tee/teeshm.c file within the TEE subsystem of the Linux kernel, as of version 5.15.11. This issue arises due to a race condition during the teeshmgetfromid function, when attempting to free a shared memory object...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-006961)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006961 advisory. In the Linux kernel, the following vulnerability has been resolved: tee: fix NULL pointer dereference in teeshmput teeshmput have NULL pointer dereference:...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006832)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006832 advisory. In the Linux kernel, the following vulnerability has been resolved: tee: fix NULL pointer dereference in teeshmput teeshmput have NULL pointer dereference:...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001430)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001430 advisory. A use-after-free exists in drivers/tee/teeshm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in teeshmgetfromid...

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

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...

EUVD-2025-36497

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-2025-39865

In the Linux kernel, the following vulnerability has been resolved: tee: fix NULL pointer dereference in teeshmput teeshmput have NULL pointer dereference: opteedisableshmcache -- shm = regpairtoptr...;//shm maybe return NULL teeshmfreeshm; -- teeshmputshm;//crash Add check in teeshmput to fix it...

CVE-2025-39865 tee: fix NULL pointer dereference in tee_shm_put

In the Linux kernel, the following vulnerability has been resolved: tee: fix NULL pointer dereference in teeshmput teeshmput have NULL pointer dereference: opteedisableshmcache -- shm = regpairtoptr...;//shm maybe return NULL teeshmfreeshm; -- teeshmputshm;//crash Add check in teeshmput to fix it...

CVE-2025-39865 tee: fix NULL pointer dereference in tee_shm_put

In the Linux kernel, the following vulnerability has been resolved: tee: fix NULL pointer dereference in teeshmput teeshmput have NULL pointer dereference: opteedisableshmcache -- shm = regpairtoptr...;//shm maybe return NULL teeshmfreeshm; -- teeshmputshm;//crash Add check in teeshmput to fix it...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a lack of null pointer checking in the teeshmput function, which could lead to null pointer dereferencing...

DEBIAN-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...

PT-2025-38572

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.6.0-39 and earlier Description A NULL pointer dereference issue was identified within the tee shm put function of the Linux kernel. Specifically, a check was missing in tee shm put, leading to a potential crash when shm...