CVE-2026-98156

A flaw was found in the Linux kernel. This vulnerability can lead to information disclosure when running a Xen paravirtualized PV guest. The virtio graphics driver virtio-gpu fails to use the Direct Memory Access DMA interface to translate memory addresses for the display framebuffer, passing raw...

printer-cracktro

printer cracktro My Pwn2Own entries for Pwn2Own Toronto 2022 targeted two different printers. One is Linux based Lexmark and other is DryOS based CANON. After pwning the software on the printer the entries would display a little oldschool crack-intro animation thing to celebrate/illustrate the...

SUSE SLES12 Security Update : LibVNCServer (SUSE-SU-2026:4024-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:4024-1 advisory. This update for LibVNCServer fixes the following issue: - CVE-2026-50538: a malicious or man-in-the-middle VNC server can force a connecting...

SUSE SLED15 / SLES15 Security Update : LibVNCServer (SUSE-SU-2026:4022-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2026:4022-1 advisory. This update for LibVNCServer fixes the following issue: - CVE-2026-50538: a malicious or man-in-the-middle VNC server c...

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

In the Linux kernel, the following vulnerability has been resolved: fbdev: pxafb: Fixed possible use after free in pxafbtask. In the pxafbprobe function, it calls the pxafbinitfbinfo function. After that, &fbi-task is associated with pxafbtask. Moreover, within this pxafbinitfbinfo function, the...

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

In the Linux kernel, the following vulnerabilities have been resolved: fbdev: Added bounds checking in bitputcs to prevent out-of-bounds writes using vmalloc. Added bounds checking to prevent writes beyond the framebuffer boundaries when rendering text near the screen edges. Return early if the Y...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tty: Fixed out-of-bound access to vmalloc in imageblit. This issue occurs when a user-space program calls ioctl FBIOPUTVSCREENINFO, passing the fbvarscreeninfo structure containing only the fields xres, yres, and bitsperpixel wit...

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: fbdev/ep93xx-fb: Do not assign to struct fbinfo.dev. Do not assign the Linux device to struct fbinfo.dev. The call to registerframebuffer initializes the field to the fbdev device. Drivers should not override its value. Fixed a b...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Avoid using a null object of the framebuffer. Instead of directly using state-fb-obj0, obtain the object from the framebuffer by calling drmgemfbgetobj. Return an error code when the object is null to avoid using a nu...

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: fbdev: The issue was fixed by correcting fbsetvar to prevent a null-ptr dereference in fbvideomodetovar. If fbaddvideomode in fbsetvar fails to allocate memory for fbvideomode, it may lead to a null-ptr dereference in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915/dpt: Makes the DPT object unshrinkable. In some scenarios, the DPT object is shrunk, but the actual framebuffer does not undergo any shrinkage. As a result, the DPT object remains in the DPT’s vm-boundlist. Then, an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: In of: displaytiming, there is a fix for the refcount leak in ofgetdisplaytimings. The function ofparsephandle returns a devicenode with the refcount incremented. This value is stored in ‘entry’ and then copied to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: don't check if plane-state-fb == state-fb Currently, when using non-blocking commits, we can see the following kernel warning: 110.908514 ------------ cut here ------------ 110.908529 refcountt: underflow; use-after-free...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: cirrusfb: check pixclock to avoid divide by zero Perform a sanity check on the pixclock value to avoid division by zero. If the pixclock value is zero, the cirrusfb driver will round up pixclock to make the derived...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Video: fbdev: amba-clcd: Fixed refcount leak issues. In clcdfbofinitdisplay, we should call ofnodeput for the references returned by ofgraphgetnextendpoint and ofgraphgetremoteportparent, as these references have increased the...

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

In the Linux kernel, the following vulnerability has been resolved: drm: Do not accidentally unreference the same framebuffer multiple times due to deadlock handling. If a deadlock occurs after the fb lookup in drmmodepageflipioctl, we proceed to unreference the fb and then retry the entire proce...

Astra Linux – Vulnerability in Linux 5.10, Linux

The Linux kernel was found vulnerable due to out-of-bounds memory access in the drivers/video/fbdev/sm712fb.c:smtcfbread function. This vulnerability could allow local attackers to cause the kernel to crash...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: nvidiafb: Use strscpy to prevent buffer overflow Coverity reports a possible buffer overflow issue. However, given the ‘static’ scope of nvidiasetupi2cbus, it seems that this issue cannot occur after examining the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero errors In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from the user. Then, the functions fbsetvar and info-fbops-fbcheckvar will be called, which might...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: In the video: fbdev: arkfb function, the value of screensize is calculated based on user input. If the user provides an incorrect value, the value of screensize may be larger than info-screensize, which may lead to the following...