CVE-2026-64321 nvme: target: rdma: fix ndev refcount leak on queue connect

In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmetrdmaqueueconnect calls nvmetrdmafindgetdevice which acquires a reference on the returned ndev via krefget. On the path where the host queue backlog is exceeded and...

CVE-2026-64321 nvme: target: rdma: fix ndev refcount leak on queue connect

In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmetrdmaqueueconnect calls nvmetrdmafindgetdevice which acquires a reference on the returned ndev via krefget. On the path where the host queue backlog is exceeded and...

CVE-2026-64321

In the Linux kernel, the following vulnerability has been resolved: nvme: target: rdma: fix ndev refcount leak on queue connect nvmetrdmaqueueconnect calls nvmetrdmafindgetdevice which acquires a reference on the returned ndev via krefget. On the path where the host queue backlog is exceeded and...

CVE-2026-64319 nvmet-auth: validate reply message payload bounds against transfer length

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: validate reply message payload bounds against transfer length nvmetauthreply accesses the variable-length rval array using attacker-controlled hl hash length and dhvlen DH value length fields without verifying they fi...

PT-2026-64542

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak occurs in the NVMe target RDMA component. The function nvmet rdma queue connect invokes nvmet rdma find get device, which uses kref get to acquire a reference to t...

Linux Distros Unpatched Vulnerability : CVE-2026-64321

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nvme: target: rdma: fix ndev refcount leak on queue connect nvmetrdmaqueueconnect calls nvmetrdmafindgetdevice which acquires a reference on the returned ndev v...

USN-8605-1 linux-azure-fde-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

USN-8604-1: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

USN-8604-1 linux-azure-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

PT-2026-64347

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the block layer where blk insert cloned request fails to recompute nr integrity segments against the bottom queue. In stacked driver configurations, such as dm-multipa...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

USN-8594-1: Linux kernel (OEM) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Drivers core; - Null block...

RHEL 10 : kernel (RHSA-2026:44694)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:44694 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: sched: actcsum: validat...

kernel: nvmet-tcp: fix race between ICReq handling and queue teardown

A flaw was found in the Linux kernel's NVMe over TCP nvmet-tcp implementation. A race condition exists between the handling of an Initialization Connection Request ICReq and the teardown of a queue. A remote attacker, by sending an ICReq and immediately closing the connection, could trigger a...

CVE-2026-64020

A flaw was found in the Linux kernel's nvme-pci driver. This vulnerability occurs due to improper handling of peer-to-peer P2P memory, where dmavec allocations are not correctly unmapped. This oversight leads to a memory leak, which can degrade system performance and potentially lead to a denial ...

The vulnerability of the function nvme_ctrl_dhchap_ctrl_secret_store() in the driver/nvme/host/core.c file of the Linux operating system’s NVME kernel driver, which allows a hacker to cause a service failure.

The vulnerability of the nvmectrldhchapctrlsecretstore function in the drivers/nvme/host/core.c file of the Linux NVME driver is related to improper memory release memory leak. Exploiting this vulnerability could allow an attacker to cause a system failure...

RHEL 9 : kernel (RHSA-2026:43231)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:43231 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/amd/display: Do not skip...

SUSE CVE-2026-64019

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix dma mapping leak on data setup error We're leaking the initial DMA mapping during iteration if we fail to allocate the tracking descriptor for both PRP and SGL. Unmap the iterator directly; we can't use the existing...

The vulnerability of the `nvme_dbbuf_set()` function in the driver/nvme/host/pci.c module of the Linux NVME driver allows a attacker to escalate their privileges or execute arbitrary code.

The vulnerability of the nvmedbbufset function in the drivers/nvme/host/pci.c file of the NVME kernel driver in Linux is related to the execution of operations outside the buffer boundaries. Exploiting this vulnerability can allow an attacker to increase their privileges or execute arbitrary code...

CVE-2026-64072

A flaw was found in the Linux kernel's Non-Volatile Memory Express NVMe subsystem. This vulnerability occurs when an integrity mapping fails, leading to a 'bio' block I/O leak. This resource leak can potentially lead to a denial of service DoS due to resource exhaustion...