CVE-2023-1998 Spectre v2 SMT mitigations problem in Linux kernel

The Linux kernel allows userspace processes to enable mitigations by calling prctl with PRSETSPECULATIONCTRL which disables the speculation feature as well as by using seccomp. We had noticed that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to...

Linux Kernel 6.2 - Userspace Processes To Enable Mitigation Exploit

Exploit Title: Linux Kernel 6.2 - Userspace Processes To Enable Mitigation Exploit Author: nu11secur1ty CVE ID: CVE-2023-1998 Description Summary The Linux kernel allows userspace processes to enable mitigations by calling prctl with PRSETSPECULATIONCTRL which disables the speculation feature as...

SUSE CVE-2023-1998

The Linux kernel allows userspace processes to enable mitigations by calling prctl with PRSETSPECULATIONCTRL which disables the speculation feature as well as by using seccomp. We had noticed that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to...

Missing Linux Kernel mitigations for 'Cross-Thread Return Address Predictions' hardware vulnerability (AMD-SB-1045)

The remote host is missing one or more known mitigations on Linux Kernel side for the referenced 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-onl...

UBUNTU-CVE-2023-1998

The Linux kernel allows userspace processes to enable mitigations by calling prctl with PRSETSPECULATIONCTRL which disables the speculation feature as well as by using seccomp. We had noticed that on VMs of at least one major cloud provider, the kernel still left the victim process exposed to...

CVE-2023-27537

A double free vulnerability exists in libcurl 8.0.0 when sharing HSTS data between separate "handles". This sharing was introduced without considerations for do this sharing across separate threads but there was no indication of this fact in the documentation. Due to missing mutexes or thread...

DEBIAN-CVE-2023-27537

A double free vulnerability exists in libcurl 8.0.0 when sharing HSTS data between separate "handles". This sharing was introduced without considerations for do this sharing across separate threads but there was no indication of this fact in the documentation. Due to missing mutexes or thread...

Amazon Linux 2 : kernel, --advisory ALAS2-2023-1987 (ALAS-2023-1987)

The version of kernel installed on the remote host is prior to 4.14.309-231.529. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-1987 advisory. In the Linux kernel, the following vulnerability has been resolved: net: sched: fix memory leak in tcindexsetparms...

Amazon Linux AMI : kernel (ALAS-2023-1701)

The version of kernel installed on the remote host is prior to 4.14.309-159.529. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1701 advisory. Detected a few exploitable gadgets that could leak secret memory through a side-channel such as MDS as well as...

DEBIAN-CVE-2022-1097

NSSToken objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird 91.8, Firefox 99, and Firefox ESR 91.8...

Mozilla: Use-after-free in InputStream implementation

The Mozilla Foundation Security Advisory describes this flaw as: Freeing arbitrary nsIInputStream's on a different thread than creation could have led to a use-after-free and potentially exploitable crash...

VulnCheck KEV: CVE-2022-1097

NSSToken objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird 91.8, Firefox 99, and Firefox ESR 91.8...

Mozilla: Use-after-free in NSSToken objects

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of NSSToken objects referenced via direct points that could have been accessed unsafely on different threads, leading to a use-after-free and potentially exploitable crash...

Mozilla: Use-after-free in NSSToken objects

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of NSSToken objects referenced via direct points that could have been accessed unsafely on different threads, leading to a use-after-free and potentially exploitable crash...

Mozilla: Use-after-free in NSSToken objects

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of NSSToken objects referenced via direct points that could have been accessed unsafely on different threads, leading to a use-after-free and potentially exploitable crash...

Mozilla: Use-after-free in NSSToken objects

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of NSSToken objects referenced via direct points that could have been accessed unsafely on different threads, leading to a use-after-free and potentially exploitable crash...

Mozilla: Use-after-free in NSSToken objects

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of NSSToken objects referenced via direct points that could have been accessed unsafely on different threads, leading to a use-after-free and potentially exploitable crash...

Mozilla: Use-after-free in NSSToken objects

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of NSSToken objects referenced via direct points that could have been accessed unsafely on different threads, leading to a use-after-free and potentially exploitable crash...

Mozilla Firefox 资源管理错误漏洞

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. Mozilla Firefox suffers from a resource management error vulnerability that stems from the fact that HTTP2 session objects may be reused when released on a different thread, leading to memory corruptio...

DEBIAN-CVE-2017-20004

In the standard library in Rust before 1.19.0, there is a synchronization problem in the MutexGuard object. MutexGuards can be used across threads with any types, allowing for memory safety issues through race conditions...