Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tee: Fix NULL pointer dereference in teeshmput teeshmput has a NULL pointer dereference: opteedisableshmcache shm = regpairtoptr...; // shm may return NULL teeshmfreeshm; teeshmputshm; // results in a crash Add a check in...

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...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: tee: amdtee: fixed an issue where ISERR returned NULL instead of an error pointer. The getfreepages function no longer returns error pointers; it now returns NULL. Therefore, this condition needs to be corrected to prevent NUL...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tee: added a overflow check in registershmhelper When special lengths are provided by the user space, registershmhelper may cause an integer overflow when calculating the number of pages covered by a given user space memory regio...

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...

SUSE CVE-2026-80524

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in opteeffalendprotmem Sashiko locally reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check...

CVE-2026-80524

A flaw was found in the Linux kernel's OP-TEE Open Portable Trusted Execution Environment Fast Fault-tolerant Architecture FFA component. A local attacker could exploit a missing null check when allocating protected memory. Under specific memory pressure conditions, this could lead to a null...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099754)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099754 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocat...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099790)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099790 advisory. In the Linux kernel, the following vulnerability has been resolved: tee: optee: prevent use-after-free when the client exits before the supplicant Commit 70b0d6b0a19...

The vulnerability of the f81604_read_int_callback() function in the drivers/crypto/ccp/sev-dev-tsm.c file of the Linux kernel cryptographic accelerator driver allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the f81604readintcallback function in the drivers/crypto/ccp/sev-dev-tsm.c file of the Linux kernel cryptographic accelerator driver is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow a remote attacker to compromise the...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100293)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100293 advisory. In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocat...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100743)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100743 advisory. In the Linux kernel, the following vulnerability has been resolved: tee: optee: prevent use-after-free when the client exits before the supplicant Commit 70b0d6b0a19...

CVE-2026-71967

OP-TEE OS through 4.10.0, fixed in commit 0aadfc2, contains a null pointer dereference vulnerability in the Widevine pseudo-TA opensession handler that allows Normal World clients to cause a denial of service when CFGWIDEVINEPTA is enabled. Attackers can open a session directly on the Widevine PT...

CVE-2026-71968

OP-TEE OS through 4.10.0, fixed in commit 8794043, contains a use-after-free vulnerability in the Trusted Application loader that allows attackers with the ability to load a signed Trusted Application to corrupt secure-world kernel memory by setting the TAFLAGCONCURRENT flag in a user TA signed...

CVE-2026-71969

OP-TEE OS through 4.10.0, fixed in commit 7b8b494, contains a buffer underwrite vulnerability in the RSA NOPAD encrypt and decrypt operations within the mbedTLS software backend and SE050 hardware driver that allows a malicious Trusted Application to corrupt secure-world heap memory by supplying ...

DEBIAN-CVE-2026-71968

OP-TEE OS through 4.10.0, fixed in commit 8794043, contains a use-after-free vulnerability in the Trusted Application loader that allows attackers with the ability to load a signed Trusted Application to corrupt secure-world kernel memory by setting the TAFLAGCONCURRENT flag in a user TA signed...

CVE-2026-71969

OP-TEE OS through 4.10.0, fixed in commit 7b8b494, contains a buffer underwrite vulnerability in the RSA NOPAD encrypt and decrypt operations within the mbedTLS software backend and SE050 hardware driver that allows a malicious Trusted Application to corrupt secure-world heap memory by supplying ...

CVE-2026-71967

OP-TEE OS through 4.10.0, fixed in commit 0aadfc2, contains a null pointer dereference vulnerability in the Widevine pseudo-TA opensession handler that allows Normal World clients to cause a denial of service when CFGWIDEVINEPTA is enabled. Attackers can open a session directly on the Widevine PT...

UBUNTU-CVE-2026-71967

OP-TEE OS through 4.10.0, fixed in commit 0aadfc2, contains a null pointer dereference vulnerability in the Widevine pseudo-TA opensession handler that allows Normal World clients to cause a denial of service when CFGWIDEVINEPTA is enabled. Attackers can open a session directly on the Widevine PT...

CVE-2026-71968

OP-TEE OS through 4.10.0, fixed in commit 8794043, contains a use-after-free vulnerability in the Trusted Application loader that allows attackers with the ability to load a signed Trusted Application to corrupt secure-world kernel memory by setting the TAFLAGCONCURRENT flag in a user TA signed...