Android Issues Patches for 4 New Zero-Day Bugs Exploited in the Wild

Google on Wednesday updated its May 2021 Android Security Bulletin to disclose that four of the security vulnerabilities that were patched earlier this month by Arm and Qualcomm may have been exploited in the wild as zero-days. "There are indications that CVE-2021-1905, CVE-2021-1906,...

USN-4954-1: GNU C Library vulnerabilities

Jason Royes and Samuel Dytrych discovered that the memcpy implementation for 32 bit ARM processors in the GNU C Library contained an integer underflow vulnerability. An attacker could possibly use this to cause a denial of service application crash or execute arbitrary code. CVE-2020-6096 It was...

USN-4954-1 glibc vulnerabilities

Jason Royes and Samuel Dytrych discovered that the memcpy implementation for 32 bit ARM processors in the GNU C Library contained an integer underflow vulnerability. An attacker could possibly use this to cause a denial of service application crash or execute arbitrary code. CVE-2020-6096 It was...

CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

DEBIAN-CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

UBUNTU-CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

Heap overflow

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

CVE-2021-20221

CVE-2021-20221 affects QEMU’s ARM Generic Interrupt Controller emulator up to version 4.2.0 on AArch64. The vulnerability is an out-of-bounds heap buffer access when writing an interrupt ID to controller memory, where the interrupt ID is not masked to 4 bits, potentially corrupting controller sta...

CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

CVE-2021-20221

An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to...

Speculative Execution and Indirect Branch Prediction Side Channel Analysis Method

Summary: Updated Recommendations Section 04/04/2018 Today a team of security researchers disclosed several software analysis methods that, when used for malicious purposes, have the potential to improperly gather sensitive data from many types of computing devices with many different vendors’...

Microsoft Windows Codecs 代码注入漏洞

Microsoft Windows Codecs is an operating system from Microsoft. It provides a multitasking graphical user interface. A security vulnerability exists in the Microsoft Windows Codecs Library. The following products and versions are affected: Windows 10 Version 20H2 for ARM64-based Systems,Windows 1...

Microsoft Windows SMB Client 安全特征问题漏洞

Microsoft Windows SMB Client is a Microsoft application. An SMB Client. Microsoft Windows SMB Client is vulnerable to a security feature issue. The following products and editions are affected:Windows 10 Version 2004 for 32-bit Systems,Windows 10 Version 2004 for ARM64-based Systems,Windows 10...

CVE-2021-28664

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...

CVE-2021-28663

The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0...

CVE-2021-28664

The Arm Mali GPU kernel driver allows privilege escalation or a denial of service memory corruption because an unprivileged user can achieve read/write access to read-only pages. This affects Bifrost r0p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r8p0 throu...