Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevents potential Spectre v1 exploits. It seems that cmd could be a Spectre v1 exploit, as it is provided by a user and used as an array index. This vulnerability prevents the contents of kernel memory from being leake...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fixed a use-after-free after failing to create a snapshot. In ioctl.c’s createsnapshot function, we allocate a pending snapshot structure and then attach it to the transaction’s list of pending snapshots. After that, we ca...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ubi: Fixed a race condition between ctrlcdevioctl and ubicdevioctl. Hulk Robot reported a KASAN report regarding a use-after-free issue: ========================================== BUG: KASAN: use-after-free in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: loop: Overflow check during loop configuration The user space can configure a loop using an ioctl call. In this process, a configuration of type loopconfig is passed see the loioctl case on line 1550 of drivers/block/loop.c. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm: Fixed a race condition between a partial failure of drmdevregister and the ioctl operation. If dmrdevregister fails after registering a minor device e.g., the primary device fails despite a minor device being registered, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fpga: Prevent integer overflow in dflfeatureioctlsetirq The multiplication hdr.count sizeofs32 can cause integer overflow on 32-bit systems, leading to memory corruption. Use arraysize to fix this issue...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: comedi: The issue of using uninitialized memory in doinsnioctl and doinsnlistioctl has been fixed. syzbot reports a KMSAN kernel-infosek in doinsnioctl. A kernel buffer is allocated to hold insn-n samples each of which is an...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A issue was discovered in the Linux kernel before version 6.6.8. The roseioctl function in net/rose/afrose.c has a use-after-free issue due to a race condition involving roseaccept...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nbd: Fixed incomplete validation of ioctl arguments. We identified an alarm caused by incomplete validation of ioctl arguments without proper verification. The UBSAN warning appears as follows: UBSAN: Undefined behavior in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Fixed a divide-by-zero bug in arksetpixclock Since the user can control the arguments of the ioctl function from the user space, there are special cases where a divide-by-zero bug may occur. For example, in:...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dm: fixed a buffer overflow in ioctl processing Tony Asleson using Claude discovered a buffer overflow in dm-ioctl in the retrievestatus function: 1. The code in retrievestatus checks whether the output string fits into the outpu...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ptp: Ensure that info-enable callback is always set. The ioctl and sysfs handlers call the -enable callback unconditionally. Not all drivers implement this callback, resulting in NULL dereferencing. Examples of affected drivers:...

kernel: nvme/ioctl: check SUBMIT_IO with nvme_cmd_allowed()

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express input/output control ioctl handling. An unprivileged local user could exploit this vulnerability by bypassing access checks in the NVMEIOCTLSUBMITIO function. This allows them to perform unauthorized I/O operations on a...

CVE-2026-90227

A flaw was found in the Linux kernel's NVMe Non-Volatile Memory Express input/output control ioctl handling. An unprivileged local user could exploit this vulnerability by bypassing access checks in the NVMEIOCTLSUBMITIO function. This allows them to perform unauthorized I/O operations on a...

cve-2025-7771

CVE-2025-7771 — LPE con ThrottleStop.sys Prueba de concepto para CVE-2025-7771. ThrottleStop.sys expone dos manejadores IOCTL que permiten lectura/escritura arbitraria de memoria física sin control de acceso: cualquier proceso administrador puede leer o escribir en cualquier parte de la RAM físic...

kernel: i2c: stub: Reject I2C block transfers with invalid length

A flaw was found in the Linux kernel's i2c-stub driver. A local user with access to the /dev/i2c- device can exploit this vulnerability by issuing an I2C System Management Bus SMBus input/output control ioctl command with a specially crafted block transfer length. This invalid length can cause th...

kernel security, bug fix, and enhancement update

4.18.0-553.171.1 - 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 olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

CVE-2026-47517

NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel mode driver where a local user may cause a null pointer dereference by submitting a crafted ioctl. A successful exploit of this vulnerability might lead to denial of service...

CVE-2026-47517

A flaw was found in nvidia-driver. A local user can submit a specially crafted input/output control ioctl request to the kernel-mode driver, triggering a null pointer dereference. Successful exploitation can crash the system, resulting in a Denial of Service DoS. Mitigation Prevent the NVIDIA...

CVE-2026-47561

A flaw was found in the NVIDIA GPU display driver. A local, unprivileged user can exploit this vulnerability by submitting an input/output control ioctl request with an unvalidated buffer size to the driver's kernel layer. This causes an out-of-bounds write in kernel memory, which may allow the...