Xen 安全漏洞

Xen is an open source virtual machine monitor product from the University of Cambridge, UK. The product enables different and incompatible operating systems to run on the same computer and supports runtime migration to ensure uptime and avoid downtime. Xen suffers from a security vulnerability th...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2023-127)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-127 advisory. A regression exists in the Linux Kernel within KVM: nVMX that allowed for speculative execution attacks. L2 can carry out Spectre v2 attacks on L1 due to L1 thinking it doesn't need retpolines ...

CVE-2022-42331

CVE-2022-42331 describes a Xen hypervisor SPECULATIVE execution vulnerability on the x86 32-bit SYSCALL path. Root cause: an oversight in the original Spectre/Meltdown work (XSA-254) leads to an entrypath performing its speculation-safety actions too late, leaving an unprotected RET instruction i...

Debian: Security Advisory (DLA-1529-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 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...

Debian: Security Advisory (DLA-1362-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 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...

GSD-2023-1002391 xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()

xfrm/compat: prevent potential spectre v1 gadget in xfrmxlate32attr 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 v5.10.168 by commit...

GSD-2023-1002368 xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()

xfrm/compat: prevent potential spectre v1 gadget in xfrmxlate32attr 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 v5.15.94 by commit...

GSD-2023-1002339 xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()

xfrm/compat: prevent potential spectre v1 gadget in xfrmxlate32attr 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 v6.1.12 by commit...

PT-2023-35466 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.168 Description: The issue concerns a potential Spectre v1 gadget in the xfrm xlate32 attr function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

PT-2023-35443 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.94 Description: The issue is related to a potential Spectre v1 gadget in the xfrm xlate32 attr function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kerne...

The vulnerability of the spectre_v2_select_mitigation() function in the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the spectrev2selectmitigation function in the Linux operating system is related to errors in Intel processors when processing the RET instruction after the termination of a virtual machine. Exploiting this vulnerability allows an attacker to execute arbitrary code...

CVE-2022-27672

A flaw was found in HW. When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch, potentially resulting in information disclosure. Mitigation The current mitigations for spectre V4 or spectrev2 should mitiga...

K29146534: SSB Variant 4 vulnerability CVE-2018-3639

Security Advisory Description Systems with microprocessors utilizing speculative execution and speculative execution of memory reads before the addresses of all prior memory writes are known may allow unauthorized disclosure of information to an attacker with local user access via a side-channel...

K15079139: Linux kernel vulnerability CVE-2019-18660

Security Advisory Description The Linux kernel before 5.4.1 on powerpc allows Information Exposure because the Spectre-RSB mitigation is not in place for all applicable CPUs, aka CID-39e72bf96f58. This is related to arch/powerpc/kernel/entry64.S and arch/powerpc/kernel/security.c. CVE-2019-18660...

K58304450: Multiple Intel Processor vulnerabilities: Spectre-NG

Security Advisory Description Eight new vulnerabilities in Intel processors have been mentioned in several sources and are referred to collectively as Spectre-NG. F5 is aware of these vulnerabilities and is investigating as information becomes available. As Intel officially recognizes and announc...

K54252492: Side-channel processor vulnerability CVE-2018-3693

Security Advisory Description Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a speculative buffer overflow and side-channel analysis. CVE-2018-3693 also known as Spectre ...

K31085564: Spectre SWAPGS gadget vulnerability CVE-2019-1125

Security Advisory Description An information disclosure vulnerability exists when certain central processing units CPU speculatively access memory, aka 'Windows Kernel Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2019-1071, CVE-2019-1073. CVE-2019-1125 also known as Spect...

K83713003: RetBleed CPU vulnerability CVE-2022-29901

Security Advisory Description There are two RetBleed vulnerabilities. This article applies to CVE-2022-29901. For information about CVE-2022-29900 refer to the following article: K57185580: RetBleed CPU vulnerability CVE-2022-29900 Intel microprocessor generations 6 to 8 are affected by a new...

K26301924: Linux kernel vulnerability CVE-2018-15594

Security Advisory Description arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests. CVE-2018-15594 Impact Traffix SDC When this vulnerability is exploited, an...

SUSE CVE-2018-15594

arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests...