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

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: Fix endpoint check The syzbot fuzzer detected a problem with the udlfb driver, caused by an endpoint that does not have the expected type. usb 1-1: Failed to read the EDID byte 0; result: -71. usb 1-1: Unable to...

fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free

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SUSE CVE-2026-43497

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

CVE-2026-43497

A flaw was found in the Linux kernel's udlfb driver. This use-after-free vulnerability occurs because the dlfbopsmmap function does not properly track active memory mappings. When the framebuffer is reallocated, existing memory page table entries PTEs are not invalidated. This allows a local...

CVE-2026-43497

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

CVE-2026-43497

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

UBUNTU-CVE-2026-43497

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

CVE-2026-43497 fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

CVE-2026-43497

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

CVE-2026-43497

The CVE-2026-43497 issue affects the Linux kernel fbdev path (udlfb/dlfb) where dlfb_ops_mmap maps vmalloc framebuffer pages without vm_ops, preventing mmap tracking. This allowed stale user PTEs to coexist with freed kernel pages after dlfb_realloc_framebuffer() via FBIOPUT_VSCREENINFO, causing ...

EUVD-2026-31273

In the Linux kernel, the following vulnerability has been resolved: fbdev: udlfb: add vmops to dlfbopsmmap to prevent use-after-free dlfbopsmmap uses remappfnrange to map vmalloc framebuffer pages to userspace but sets no vmops on the VMA. This means the kernel cannot track active mmaps. When...

PT-2026-42454

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the udlfb component of the fbdev subsystem. The dlfb ops mmap function uses remap pfn range to map vmalloc framebuffer pages to userspace without setting...

fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO

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SUSE CVE-2026-31605

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-31605

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fbdev: udlfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 fbdev: fbpm2fb: Avoid potential divide by zero error, we also need to...

Linux Distros Unpatched Vulnerability : CVE-2026-31618

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fbdev: tdfxfb: avoid divide-by-zero on FBIOPUTVSCREENINFO Much like commit 19f953e74356 fbdev: fbpm2fb: Avoid potential divide by zero error, we also need to...

CVE-2026-31618

A flaw was found in the Linux kernel's fbdev subsystem, specifically affecting the tdfxfb and udlfb drivers. This vulnerability allows a local attacker to trigger a divide-by-zero error when performing the FBIOPUTVSCREENINFO operation. This can lead to a system crash, resulting in a Denial of...

CVE-2026-31605

A flaw was found in the Linux kernel's udlfb driver. A local user could exploit a divide-by-zero error when the system processes FBIOPUTVSCREENINFO operations. This vulnerability can lead to a system crash, resulting in a Denial of Service DoS...

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...