1091 matches found
Memory corruption
The OpenSSL 3.0.4 release introduced a serious bug in the RSA implementation for X8664 CPUs supporting the AVX512IFMA instructions. This issue makes the RSA implementation with 2048 bit private keys incorrect on such machines and memory corruption will happen during the computation. As a...
CVE-2022-2274
The OpenSSL 3.0.4 release introduced a serious bug in the RSA implementation for X8664 CPUs supporting the AVX512IFMA instructions. This issue makes the RSA implementation with 2048 bit private keys incorrect on such machines and memory corruption will happen during the computation. As a...
CVE-2022-2274 RSA implementation bug in AVX512IFMA instructions
The OpenSSL 3.0.4 release introduced a serious bug in the RSA implementation for X8664 CPUs supporting the AVX512IFMA instructions. This issue makes the RSA implementation with 2048 bit private keys incorrect on such machines and memory corruption will happen during the computation. As a...
Important: kernel security and bug fix update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: buffer overflow in IPsec ESP transformation code CVE-2022-27666 kernel: out-of-bounds read in fbcongetfont function CVE-2020-28915 For more details about the security issues, including th...
GSD-2022-1003476 sysrq: do not omit current cpu when showing backtrace of all active CPUs
sysrq: do not omit current cpu when showing backtrace of all active CPUs 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 v5.10.122 by commit...
GSD-2022-1002537 sysrq: do not omit current cpu when showing backtrace of all active CPUs
sysrq: do not omit current cpu when showing backtrace of all active CPUs 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 v5.18.4 by commit...
GSD-2022-1002526 heap buffer overflow in OpenSSL version 3.0.4
In OpenSSL version 3.0.4 a heap buffer overflow exists in the AVX512 support that can be attacked via network resulting in code execution. This is reachable via four code paths: RSAZ 1024, RSAZ 512, Dual 1024 RSAZ, and Default constant-time Montgomery modular exponentiation. Please note this issu...
GSD-2022-2274 heap buffer overflow in OpenSSL version 3.0.4
In OpenSSL version 3.0.4 a heap buffer overflow exists in the AVX512 support that can be attacked via network resulting in code execution. This is reachable via four code paths: RSAZ 1024, RSAZ 512, Dual 1024 RSAZ, and Default constant-time Montgomery modular exponentiation. Please note this issu...
Citrix Hypervisor Security Update
A security issue has been identified in Citrix Hypervisor 7.1 LTSR CU2 that may allow privileged code in a PV guest VM to compromise the host. Citrix believes that there would be significant complexity in performing this attack in Citrix Hypervisor. The issue has the following CVE identifier:...
Hertzbleed: A New Side-Channel Attack
Hertzbleed is a new side-channel attack that works against a variety of microprocressors. Deducing cryptographic keys by analyzing power consumption has long been an attack, but its not generally viable because measuring power consumption is often hard. This new attack measures power consumption ...
Miscomputed sha2 results when using AVX2 backend
The v0.9.7 release of the sha2 crate introduced a new AVX2-accelerated backend which was automatically enabled for all x86/x8664 CPUs where AVX2 support was autodetected at runtime. This backend was buggy and would miscompute results for long messages i.e. messages spanning multiple SHA blocks. T...
Hertzbleed exposes computers’ secret whispers
Hertzbleed is the name for a vulnerability that can be used to obtain cryptographic keys and other secret data from Intel and AMD CPUs, remotely. It works by monitoring changes in power consumption, which can be deduced by the careful timing of known workloads, thanks to a processor power saving...
MIT Researchers Discover New Flaw in Apple M1 CPUs That Can't Be Patched
A novel hardware attack dubbed PACMAN has been demonstrated against Apple's M1 processor chipsets, potentially arming a malicious actor with the capability to gain arbitrary code execution on macOS systems. It leverages "speculative execution attacks to bypass an important memory protection...
Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2022-023 (ALASKERNEL-5.4-2022-023)
The version of kernel installed on the remote host is prior to 5.4.181-99.354. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2022-023 advisory. AMD recommends using a software mitigation for this issue, which the kernel is enabling by default. The Lin...
AMD CPUs Denial of Service Vulnerability
AMD CPUs are a family of CPUs from AMD U.S.A. A denial of service vulnerability exists in AMD CPUs, which stems from insufficient boundary checking in the SMU mailbox registers. An attacker could exploit the vulnerability to read content outside of the SRAM address range resulting in a potential...
CVE-2021-0190
Uncaught exception in the BIOS firmware for some IntelR Processors may allow a privileged user to potentially enable aescalation of privilege via local access...
Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5415-1)
The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5415-1 advisory. Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically...
Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-5417-1)
The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5417-1 advisory. Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2...
Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel vulnerabilities (USN-5418-1)
The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5418-1 advisory. Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre...