f_hid-4.14-backports

Backports de fhid para Linux 4.14.190 SM-A525F Três correções para drivers/usb/gadget/function/fhid.c, aplicadas manualmente a um kernel Android de fornecedor 4.14.190 e verificadas no dispositivo em que rodam. 4.14 está em fim de vida. Não existe backport estável para nenhuma destas correções, e...

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

A issue was discovered in the driver/mtd/ubi/cdev.c file within the Linux kernel 6.2. There is a division-by-zero error in the dodivsz, mtd-erasesize function, which is indirectly used by ctrlcdevioctl, when mtd-erasesize is 0...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Rapidio: fixed a possible UAF Use-after-Allocation when kfifoalloc fails. If kfifoalloc fails in mportcdevopen, it jumps to errfifo and simply frees priv. However, priv is still in chdev-filelist, and traversing the list may lead...

Linux Distros Unpatched Vulnerability : CVE-2026-74574

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dmaengine: idxd: fix fdev setup failure cleanup in idxdcdevopen The faileddevadd and faileddevname paths drop the file-device reference while wq-wqlock is still...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: uacce: Fixed the handling of cdev in the cleanup path. When cdevdeviceadd fails, it internally releases the cdev memory. If cdevdevicedel is then executed, it will cause a hang error. To fix this issue, we check the return value ...

The vulnerability in the `lineinfo_changed_notify()` function of the `drivers/gpio/gpiolib-cdev.c` driver for the Linux kernel’s GPIO driver allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the lineinfochangednotify function in the drivers/gpio/gpiolib-cdev.c driver for the Linux kernel’s GPIO driver is related to errors during link counter updates. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

CVE-2026-53188

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ibgetucaps Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same devt it can masquerade as a ucap cdev fd...

PT-2026-52284

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the RDMA core where the ib get ucaps function fails to properly validate the passed-in file operations fops. Because character and block devices can share the same dev...

CVE-2026-53025

Summary of CVE-2026-53025 : The Linux kernel’s Greybus raw subsystem is affected by a use-after-free when a raw bundle is disconnected while its chardev remains open, leading to a kernel panic and potential DoS. The issue occurs because the cdev can be released after freeing memory, creating an i...

CVE-2026-53025 greybus: raw: fix use-after-free on cdev close

In the Linux kernel, the following vulnerability has been resolved: greybus: raw: fix use-after-free on cdev close This addresses a use-after-free bug when a raw bundle is disconnected but its chardev is still opened by an application. When the application releases the cdev, it causes the followi...

CVE-2026-53025 greybus: raw: fix use-after-free on cdev close

In the Linux kernel, the following vulnerability has been resolved: greybus: raw: fix use-after-free on cdev close This addresses a use-after-free bug when a raw bundle is disconnected but its chardev is still opened by an application. When the application releases the cdev, it causes the followi...

PT-2026-51919

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the greybus raw component. The problem occurs when a raw bundle is disconnected while its character device chardev remains open by an application. Becaus...

CVE-2026-46258

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandlecreate In linehandlecreate, there is a statement like this: retainandnullptrlh; Soon after, there is a debug printout that dereferences "lh", which will crash things. Avoid the cras...

CVE-2026-46258

The CVE-2026-46258 issue is in the Linux kernel’s gpio: cdev module, where in linehandle_create() a NULL dereference could occur when lh is dereferenced after a retain_and_null_ptr(lh). The vulnerability is resolved by avoiding the dereference and using handlereq.lines, which holds the same value...

EUVD-2026-34120

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandlecreate In linehandlecreate, there is a statement like this: retainandnullptrlh; Soon after, there is a debug printout that dereferences "lh", which will crash things. Avoid the cras...

CVE-2026-46258 gpio: cdev: Avoid NULL dereference in linehandle_create()

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandlecreate In linehandlecreate, there is a statement like this: retainandnullptrlh; Soon after, there is a debug printout that dereferences "lh", which will crash things. Avoid the cras...

CVE-2026-46258 gpio: cdev: Avoid NULL dereference in linehandle_create()

In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandlecreate In linehandlecreate, there is a statement like this: retainandnullptrlh; Soon after, there is a debug printout that dereferences "lh", which will crash things. Avoid the cras...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the gpio cdev module’s behavior during the linehandlecreate function. After retaining andnullptr,...

PT-2026-46021

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL dereference occurs in the linehandle create function. The issue is triggered when the retain and null ptrlh statement is executed, followed by a debug printout that attempts to...