Astra Linux – Vulnerability in Linux 5.10, Linux

When sending malicious data to the kernel using the ioctl cmd FBIOPUTVSCREENINFO, the kernel will write memory beyond its boundaries...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053368)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053368 advisory. In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 fbdev:...

CVE-2026-80786

CVE-2026-80786 affects the Linux kernel fbdev (framebuffer) subsystem. The root cause is that user-invoked calls to fb_set_var() from sysfs and driver code paths were missing fbcon -related steps (checking mode-change feasibility, updating hardware state, and updating fbcon). Only the FBIOPUT_VSC...

SUSE CVE-2026-31618

In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

AZL-83687 CVE-2026-31605 affecting package kernel for versions less than 6.6.137.1-1

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

EUVD-2026-25498

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

CVE-2026-31605: Divide By Zero

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

CVE-2026-31618: Divide By Zero

In the Linux kernel, the following vulnerability has been resolved: fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 "fbdev: fbpm2fb: Avoid potential divide by zero error", we also need to prevent that same crash from happening in the udlfb driver as it uses...

CVE-2026-31603: Divide By Zero

In the Linux kernel, the following vulnerability has been resolved: staging: sm750fb: fix division by zero in pstohz pstohz is called from hwsm750crtcsetmode without validating that pixclock is non-zero. A zero pixclock passed via FBIOPUTVSCREENINFO causes a division by zero. Fix by rejecting zer...

AZL-80097 CVE-2026-23266 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: fbdev: rivafb: fix divide error in nv3arb A userspace program can trigger the RIVA NV3 arbitration code by calling the FBIOPUTVSCREENINFO ioctl on /dev/fb. When doing so, the driver recomputes FIFO arbitration parameters in nv3ar...

CVE-2026-23266: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fbdev: rivafb: fix divide error in nv3arb A userspace program can trigger the RIVA NV3 arbitration code by calling the FBIOPUTVSCREENINFO ioctl on /dev/fb. When doing so, the driver recomputes FIFO arbitration parameters in nv3ar...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414601)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414601 advisory. When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds. Tenable has extracted the preceding description block...

Linux Distros Unpatched Vulnerability : CVE-2021-33655

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When sending malicous data to kernel by ioctl cmd FBIOPUTVSCREENINFO,kernel will write memory out of bounds. CVE-2021-33655 Note that Nessus relies on the...

CVE-2021-47383

In the Linux kernel, the following vulnerability has been resolved: tty: Fix out-of-bound vmalloc access in imageblit This issue happens when a userspace program does an ioctl FBIOPUTVSCREENINFO passing the fbvarscreeninfo struct containing only the fields xres, yres, and bitsperpixel with values...

Oracle Linux 9 : kernel (ELSA-2023-2458)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-2458 advisory. - A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function inet6streamops/inet6dgramops of...

Ubuntu 16.04 ESM : Linux kernel (Azure) vulnerabilities (USN-5652-1)

The remote Ubuntu 16.04 ESM host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5652-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-...

Ubuntu 20.04 LTS : Linux kernel (GKE) vulnerabilities (USN-5648-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5648-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-...

Ubuntu 20.04 LTS : Linux kernel (GCP) vulnerabilities (USN-5647-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5647-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-...

Ubuntu 22.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-5640-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5640-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-...

Ubuntu 16.04 ESM / 18.04 LTS : Linux kernel vulnerabilities (USN-5621-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5621-1 advisory. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an...