USN-6536-1: Linux kernel vulnerabilities

Lucas Leong discovered that the netfilter subsystem in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel memory. CVE-2023-39189 Kyle Zeng...

OESA-2023-1875 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used...

Heap overflow

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer...

CVE-2023-6121

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer...

CVE-2023-6121

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer...

CVE-2023-6121 Kernel: nvme: info leak due to out-of-bounds read in nvmet_ctrl_find_get

An out-of-bounds read vulnerability was found in the NVMe-oF/TCP subsystem in the Linux kernel. This issue may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results in kmalloc data being printed and potentially leaked to the kernel ring buffer...

CVE-2023-6121

CVE-2023-6121 is an out-of-bounds read in the Linux kernel’s NVMe-oF/TCP subsystem. The issue can be triggered by a crafted remote TCP packet, causing a heap-based overflow that may cause kmalloc data to be printed and potentially leaked to the kernel ring buffer (dmesg). Affected: Linux kernel N...

CVE-2023-20596

Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution...

kernel: Linux kernel: Memory leak in io_uring can lead to denial of service

A flaw was found in the Linux kernel's iouring subsystem. When removing provided buffers, the system fails to properly dispose of iobuffer structures, leading to a memory leak. A local attacker could exploit this vulnerability to cause a denial of service DoS due to memory exhaustion...

PT-2023-7103 · Linux +8 · Linux Kernel +8

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: An out-of-bounds read issue was found in the NVMe-oF/TCP subsystem. This may allow a remote attacker to send a crafted TCP packet, triggering a heap-based buffer overflow that results ...

CVE-2023-21378

In Telecomm, there is a possible way to silence the ring for calls of secondary users due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation...

Ubuntu: Security Advisory (USN-6422-2)

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-6422-2 ring vulnerabilities

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. CVE-2021-37706 It was discovered that Ring incorrectly handled...

USN-6422-2: Ring vulnerabilities

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. CVE-2021-37706 It was discovered that Ring incorrectly handled...

Ubuntu 23.10 : Ring vulnerabilities (USN-6422-2)

The remote Ubuntu 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6422-2 advisory. It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a...

CVE-2023-45871

A flaw was found in igbconfigurerxring in drivers/net/ethernet/intel/igb/igbmain.c in the IGB driver in the Linux kernel. An overflow of the contents from a packet that is too large will overflow into the kernel's ring buffer, leading to a system integrity issue. Mitigation Mitigation for this...

Ubuntu: Security Advisory (USN-6422-1)

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...

Exploit for Use After Free in Microsoft

CVE-2023-36802 Local Privilege Escalation POC authors: chomp...

USN-6422-1: Ring vulnerabilities

It was discovered that Ring incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to execute arbitrary code. CVE-2021-37706 It was discovered that Ring incorrectly handled...

SUSE CVE-2023-5158

A flaw was found in vringhkiovadvance in drivers/vhost/vringh.c in the host side of a virtio ring in the Linux Kernel. This issue may result in a denial of service from guest to host via zero length descriptor...