kernel: nvme-tcp: fix host memory disclosure on R2T for a read command

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express over TCP nvme-tcp component. A malicious NVMe controller can exploit this vulnerability by sending a Ready to Transfer R2T command for a read request. The host system, failing to properly validate the request direction, will...

kernel security, bug fix, and enhancement update

6.12.0-211.60.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

GHSA-43RV-JRFH-9MRR Duplicate Advisory: vm2: NodeVM zlib Buffers expose pooled host memory across the VM boundary

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-489w-w794-jq94. This link is maintained to preserve external references. Original Description vm2 before 3.12.2 does not apply its Buffer backing-store ownership invariant byteOffset === 0 and buffer.byteLength...

kernel: nvme-tcp: fix host memory disclosure on R2T for a read command

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express over TCP nvme-tcp component. A malicious NVMe controller can exploit this vulnerability by sending a Ready to Transfer R2T command for a read request. The host system, failing to properly validate the request direction, will...

Duplicate Advisory: Sandboxed code can read and write host-realm memory via Node's shared Buffer pool

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-fcqc-726x-5wfc This link is maintained to preserve external references. Original Description vm2 before 3.11.7 exposes Node's shared Buffer pool to sandboxed code, allowing disclosure of host memory used by...

SUSE CVE-2026-89481

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix host memory disclosure on R2T for a read command nvmetcphandler2t does not check the direction of the request the R2T refers to. A malicious controller can send an R2T for a READ and the host will answer it:...

CVE-2026-89481

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix host memory disclosure on R2T for a read command nvmetcphandler2t does not check the direction of the request the R2T refers to. A malicious controller can send an R2T for a READ and the host will answer it:...

CVE-2026-89481

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix host memory disclosure on R2T for a read command nvmetcphandler2t does not check the direction of the request the R2T refers to. A malicious controller can send an R2T for a READ and the host will answer it:...

CVE-2026-64269: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

kernel: Reserved fields in guest message responses may not be zero initialized

A flaw was found in some AMD CPUs where the guest message responses have not been zero-initialized. This issue may allow a local attacker with the ability to run arbitrary code on a container or virtual machine to discover sensitive information contained in the host system's memory...

Oracle Linux 7 : qemu (ELSA-2021-9638)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9638 advisory. - ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of header data even if that exceeds the total packe...

Design/Logic Flaw

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed ...

CVE-2021-32847 Moby HyperKit uninitialized memory use in virtio-sock pci_vtsock_proc_tx

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed ...

CVE-2021-32847

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed ...

CVE-2021-32847: Out-of-bounds Read

HyperKit is a toolkit for embedding hypervisor capabilities in an application. In versions 0.20210107 and prior, a malicious guest can trigger a vulnerability in the host by abusing the disk driver that may lead to the disclosure of the host memory into the virtualized guest. This issue is fixed ...

CVE-2021-32847

HyperKit versions 0.20210107 and earlier are affected by a vulnerability in the disk driver that can cause host memory disclosure to a malicious guest. The issue is described as a memory-related flaw (uninitialized memory use) in the PCI virtio block path (pci_vtsock_proc_tx) and is associated wi...

SUSE CVE-2016-5105

The megasasdcmdcfgread function in hw/scsi/megasas.c in QEMU, when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, uses an uninitialized variable, which allows local guest administrators to read host memory via vectors involving a MegaRAID Firmware Interface MFI command...

SUSE SLES15 / openSUSE 15 Security Update : libslirp (SUSE-SU-2022:2941-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:2941-1 advisory. - CVE-2021-3593: Fixed invalid pointer initialization may lead to information disclosure udp6 bsc1187365. Non-security fixes: ...

AZL-35347 CVE-2022-0175 affecting package virglrenderer for versions less than 0.9.1-3

A flaw was found in the VirGL virtual OpenGL renderer virglrenderer. The virgl did not properly initialize memory when allocating a host-backed memory resource. A malicious guest could use this flaw to mmap from the guest kernel and read this uninitialized memory from the host, possibly leading t...

Huawei EulerOS: Security Advisory for qemu (EulerOS-SA-2022-1622)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2022 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...