DEBIAN-CVE-2024-49856

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Fix deadlock in SGX NUMA node search When the current node doesn't have an EPC section configured by firmware and all other EPC sections are used up, CPU can get stuck inside the while loop that looks for an available EP...

CISA Red Team’s Operations Against a Federal Civilian Executive Branch Organization Highlights the Necessity of Defense-in-Depth

EXECUTIVE SUMMARY In early 2023, the Cybersecurity and Infrastructure Security Agency CISA conducted a SILENTSHIELD red team assessment against a Federal Civilian Executive Branch FCEB organization. During SILENTSHIELD assessments, the red team first performs a no-notice, long-term simulation of...

Apple Launches Private Cloud Compute for Privacy-Centric AI Processing

Apple has announced the launch of a "groundbreaking cloud intelligence system" called Private Cloud Compute PCC that's designed for processing artificial intelligence AI tasks in a privacy-preserving manner in the cloud. The tech giant described PCC as the "most advanced security architecture eve...

SUSE CVE-2023-52568

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race The SGX EPC reclaimer ksgxd may reclaim the SECS EPC page for an enclave and set secs.epcpage to NULL. The SECS page is used for EAUG and ELDU in the SGX page fault...

The vulnerability of Intel SGX DCAP microprogramming software arises from insufficient validation of input data, allowing attackers to gain unauthorized access to protected information.

The vulnerability of Intel SGX DCAP microprogramming software is related to insufficient validation of input data. Exploiting this vulnerability can allow an intruder to gain unauthorized access to protected information...

openSUSE: Security Advisory for ucode (SUSE-SU-2022:2960-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2023-52568

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race The SGX EPC reclaimer ksgxd may reclaim the SECS EPC page for an enclave and set secs.epcpage to NULL. The SECS page is used for EAUG and ELDU in the SGX page fault...

DEBIAN-CVE-2023-52568

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race The SGX EPC reclaimer ksgxd may reclaim the SECS EPC page for an enclave and set secs.epcpage to NULL. The SECS page is used for EAUG and ELDU in the SGX page fault...

CVE-2023-52568

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race The SGX EPC reclaimer ksgxd may reclaim the SECS EPC page for an enclave and set secs.epcpage to NULL. The SECS page is used for EAUG and ELDU in the SGX page fault...

UBUNTU-CVE-2023-52568

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race The SGX EPC reclaimer ksgxd may reclaim the SECS EPC page for an enclave and set secs.epcpage to NULL. The SECS page is used for EAUG and ELDU in the SGX page fault...

CVE-2023-52568 x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race The SGX EPC reclaimer ksgxd may reclaim the SECS EPC page for an enclave and set secs.epcpage to NULL. The SECS page is used for EAUG and ELDU in the SGX page fault...

CVE-2023-52568

CVE-2023-52568 affects the Linux kernel SGX path, specifically the EAUG race with page-fault handling. The vulnerability arises when the SGX EPC reclaimer (ksgxd) reclaims the SECS EPC page and sets secs.epc_page to NULL; EAUG and ELDU both use this page, but the NULL check was only applied to EL...

CVE-2023-52568

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Resolves SECS reclaim vs. page fault for EAUG race The SGX EPC reclaimer ksgxd may reclaim the SECS EPC page for an enclave and set secs.epcpage to NULL. The SECS page is used for EAUG and ELDU in the SGX page fault...

DEBIAN-CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

Design/Logic Flaw

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

UBUNTU-CVE-2021-46927

In the Linux kernel, the following vulnerability has been resolved: nitroenclaves: Use getuserpagesunlocked call to handle mmap assert After commit 5b78ed24e8ec "mm/pagemap: add mmapassertlocked annotations to findvma", the call to getuserpages will trigger the mmap assert. static inline void...

PINs for Cryptography with Hardware Secure Elements

I’m a big fan of technologies that enable otherwise impossible security properties and user experiences, like cryptography often can. One such technology is hardware secure elements. Here’s a thing you can’t do with cryptography: encrypt data securely with a low-entropy secret, like a PIN. If a...

Side Channel Attack

github.com/containerd/containerd is vulnerable to Side Channel Attack. The vulnerability is caused due to an unprivileged access to Intel's RAPL Running Average Power Limit readings which provides software insights into hardware energy consumption. This can be exploited to mount power-based...

CVE-2023-38021

An issue was discovered in Fortanix EnclaveOS Confidential Computing Manager CCM Platform before 3.32 for Intel SGX. Lack of pointer-alignment validation logic in entry functions allows a local attacker to access unauthorized information. This relates to the enclaveecall function and system call...