Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: nvme: fixed memory allocation in nvmeprreadkeys nvmeprreadkeys takes numkeys from userspace and uses it to calculate the allocation size for rse via structsize. The upper limit is PRKEYSMAX 64K. A malicious or buggy userspace...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nvme-fc: Release the admin tagset if init fails. nvmefabrics creates a NVMe/FC controller in the following path: nvmfdevwrite → nvmfcreatectrl → nvmefccreatectrl → nvmefcinitctrl nvmefcinitctrl allocates the admin blk-mq resource...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nvme: fixed the lifetime of the admin requestqueue Namespaces can access the controller’s admin requestqueue, and stale references on the namespaces may exist after tearing down the controller. Ensure that the admin requestqueue ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nvme-multipath: fixed the lockdep warning due to the partition scan operation. The test cases nvme/014, 057, and 058 occasionally fail due to the lockdep warning. As reported in the Closes tag URL, this warning indicates that ...

EulerOS 2.0 SP15 : kernel (EulerOS-SA-2026-2889)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfnCVE-2026-31586 e1000/e1000e: Fix leak in DMA error cleanupCVE-2026-43445 futex: Clear stale...

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-2026-64319

A flaw was found in the Linux kernel's nvmet-auth component. A remote attacker, by sending a specially crafted NVMe-oF NVMe over Fabrics authentication reply message, can cause an out-of-bounds read in the kernel's memory. This vulnerability, exploitable pre-authentication, can lead to the...

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

An update for kernel is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

USN-8615-1: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8547-2: Linux kernel (Azure FIPS) 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: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

Rocky Linux Security Update for glibc (RLSA-2026:2786) and kernel (RLSA-2026:2722)

Brocade SANnav OVA has provided security updates for Multiple vulnerabilities ias referenced in glibc RLSA-2026:2786, kernel RLSA-2026:2722 glibc RLSA-2026:2786 glibc: Integer overflow in memalign leads to heap corruption CVE-2026-0861 glibc: glibc: Information disclosure via zero-valued network...

CVE-2026-64535

A use-after-free flaw was found in the Linux kernel's NVMe-over-Fabrics TCP target nvmet-tcp driver. When NVMe/TCP data digest is enabled and a digest mismatch occurs on a non-final H2CDATA PDU during an R2T-based write transfer, the digest error handler in nvmettcptryrecvddgst calls...

CVE-2026-64535

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: Fix potential UAF when ddgst mismatch Shivam Kumar found via vulnerability testing: When data digest is enabled on an NVMe/TCP connection and a digest mismatch occurs on a non-final H2CDATA PDU during an R2T-based data...

SUSE CVE-2026-64326

In the Linux kernel, the following vulnerability has been resolved: block: skip syncblockdev on surprise removal in bdevmarkdead bdevmarkdead's @surprise == true means the device is already gone. The filesystem callback fsbdevmarkdead honours this and skips syncfilesystem, but the bare block devi...

CVE-2026-64319

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...

UBUNTU-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...

UBUNTU-CVE-2026-64326

In the Linux kernel, the following vulnerability has been resolved: block: skip syncblockdev on surprise removal in bdevmarkdead bdevmarkdead's @surprise == true means the device is already gone. The filesystem callback fsbdevmarkdead honours this and skips syncfilesystem, but the bare block devi...

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...