Branch History Leak

AMD ID: AMD-SB-7026 Potential Impact: N/A Severity: N/A Summary Researchers from The Harbin Institute of Technology have shared with AMD a paper titled “Branch History LeakeR: Leveraging Branch History to Construct a New Side Channel-Theory and Practice” that demonstrates a side channel attack...

Linux Distros Unpatched Vulnerability : CVE-2018-3693

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local us...

CentOS 7 : kernel-alt (RHSA-2020:0174)

The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:0174 advisory. - In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanoutadd from setsockopt and bind on an AFPACKET socket...

Intel CPU 安全漏洞

Intel CPU is an Intel's processor from the American company Intel. The device is used to interpret computer instructions as well as process data in computer software. The Intel CPU has a security vulnerability that stems from the presence of a branch-target injection BTI problem. An attacker...

Ubuntu: Security Advisory (USN-6416-3)

The remote host is missing an update for the 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...

USN-6416-3: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniel Trujillo, Johannes Wikner, and Kaveh Razavi...

USN-6416-2: Linux kernel vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniël Trujillo, Johannes Wikner, and Kaveh Razavi...

Ubuntu: Security Advisory (USN-6415-1)

The remote host is missing an update for the 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...

Oracle Linux 5 : kernel (ELSA-2018-0292)

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2018-0292 advisory. - Backport CVEs to RHCK/OL5 orabug 27547712 CVE-2017-5753 CVE-2017-5754 Tenable has extracted the preceding description block directly from the Oracle...

Ubuntu: Security Advisory (USN-6319-1)

The remote host is missing an update for the 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...

USN-6319-1 amd64-microcode vulnerability

Daniël Trujillo, Johannes Wikner, and Kaveh Razavi discovered that some AMD processors utilising speculative execution and branch prediction may allow unauthorised memory reads via a speculative side-channel attack. A local attacker could use this to expose sensitive information, including kernel...

The vulnerability of the kernel of Linux and Android embedded chips from Qualcomm allows attackers to gain unauthorized access to protected information.

The vulnerability of the kernel of Linux and Android embedded chips from Qualcomm is related to insufficient protection of sensitive data during execution and branch prediction. Exploiting this vulnerability can allow attackers to gain unauthorized access to protected information...

Ubuntu: Security Advisory (USN-6151-1)

The remote host is missing an update for the 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...

Qualcomm Chipsets 安全漏洞

Qualcomm Chipsets are a family of chipsets from Qualcomm Incorporated USA. A security vulnerability exists in Qualcomm Chipsets that stems from an indirect branch prediction error that leads to information leakage in the kernel...

The vulnerability of the _copy_from_user() function in the lib/usercopy.c module of the Linux kernel allows a hacker to disclose protected information.

The vulnerability of the copyfromuser function in the lib/usercopy.c module of the Linux kernel is related to the characteristics of the branch prediction module’s operation. Exploiting this vulnerability allows an attacker to gain access to protected memory from a program that does not have the...

SUSE SLES15: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2023:1992-1)

The remote SUSE Linux SLES15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1992-1 advisory. The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security and bugfixes. The following security bugs were...

CVE-2023-0045 Incorrect indirect branch prediction barrier in the Linux Kernel

The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ibprctlset function updates the Thread Information Flags TIFs for the task and updates the SPECCTRL MSR on the function speculationctrlupdate, but the IBPB is only issued on the next...

CVE-2023-0045 Incorrect indirect branch prediction barrier in the Linux Kernel

The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ibprctlset function updates the Thread Information Flags TIFs for the task and updates the SPECCTRL MSR on the function speculationctrlupdate, but the IBPB is only issued on the next...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2023:1848-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1848-1 advisory. The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes. The following security...

USN-6020-1: Linux kernel (BlueField) vulnerabilities

It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2021-3669 It was discovered that the KVM VMX implementation in the Linux kernel did no...