CVE-2022-50130

In the Linux kernel, the following vulnerability has been resolved: staging: fbtft: core: set smemlen before fbdeferredioinit call The fbtftframebufferalloc calls fbdeferredioinit before initializing info-fix.smemlen. It is set to zero by the framebufferalloc function. It will trigger a WARNON at...

DEBIAN-CVE-2022-50130

In the Linux kernel, the following vulnerability has been resolved: staging: fbtft: core: set smemlen before fbdeferredioinit call The fbtftframebufferalloc calls fbdeferredioinit before initializing info-fix.smemlen. It is set to zero by the framebufferalloc function. It will trigger a WARNON at...

DEBIAN-CVE-2022-50102

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Fix a divide-by-zero bug in arksetpixclock Since the user can control the arguments of the ioctl from the user space, under special arguments that may result in a divide-by-zero bug in:...

DEBIAN-CVE-2022-50099

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memsetio In the function arkfbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger...

DEBIAN-CVE-2022-50097

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: s3fb: Check the size of screen before memsetio In the function s3fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger tha...

UBUNTU-CVE-2022-50102

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Fix a divide-by-zero bug in arksetpixclock Since the user can control the arguments of the ioctl from the user space, under special arguments that may result in a divide-by-zero bug in:...

UBUNTU-CVE-2022-50221

In the Linux kernel, the following vulnerability has been resolved: drm/fb-helper: Fix out-of-bounds access Clip memory range to screen-buffer size to avoid out-of-bounds access in fbdev deferred I/O's damage handling. Fbdev's deferred I/O can only track pages. From the range of pages, the damage...

UBUNTU-CVE-2022-49978

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbpm2fb: Avoid potential divide by zero error In dofbioctl of fbmem.c, if cmd is FBIOPUTVSCREENINFO, var will be copied from user, then go through fbsetvar and info-fbops-fbcheckvar which could may be pm2fbcheckvar. Along...

UBUNTU-CVE-2022-50097

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: s3fb: Check the size of screen before memsetio In the function s3fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger tha...

UBUNTU-CVE-2022-50109

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: amba-clcd: Fix refcount leak bugs In clcdfbofinitdisplay, we should call ofnodeput for the references returned by ofgraphgetnextendpoint and ofgraphgetremoteportparent which have increased the refcount. Besides, we...

UBUNTU-CVE-2022-50099

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: arkfb: Check the size of screen before memsetio In the function arkfbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may larger...

CVE-2022-50130 staging: fbtft: core: set smem_len before fb_deferred_io_init call

In the Linux kernel, the following vulnerability has been resolved: staging: fbtft: core: set smemlen before fbdeferredioinit call The fbtftframebufferalloc calls fbdeferredioinit before initializing info-fix.smemlen. It is set to zero by the framebufferalloc function. It will trigger a WARNON at...

CVE-2022-50130

CVE-2022-50130 concerns the Linux kernel staging fbtft: core: set smem_len before fb_deferred_io_init call. In fbtft_framebuffer_alloc(), fb_deferred_io_init() was invoked before initializing info->fix.smem_len, which was zeroed by framebuffer_alloc() and caused a WARN_ON() at init, resulting ...

CVE-2022-50130 staging: fbtft: core: set smem_len before fb_deferred_io_init call

In the Linux kernel, the following vulnerability has been resolved: staging: fbtft: core: set smemlen before fbdeferredioinit call The fbtftframebufferalloc calls fbdeferredioinit before initializing info-fix.smemlen. It is set to zero by the framebufferalloc function. It will trigger a WARNON at...

CVE-2022-50101

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: vt8623fb: Check the size of screen before memsetio In the function vt8623fbsetpar, the value of 'screensize' is calculated by the user input. If the user provides the improper value, the value of 'screensize' may...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Fixed a hang that occurred in the kdump kernel when running on Hyper-V Gen 2 VMs. Hyper-V Gen 2 VMs boot via EFI and have a standard EFI framebuffer device. When the kdump kernel runs in such a VM, loading the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fbdev: omap: use threaded IRQ for LCD DMA When using touchscreens and framebuffers, the Nokia 770 easily crashes due to the following issue: BUG: scheduling while atomic: irq/144-ads7846/82/0x00010000 Linked modules include:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Allow graceful removal of framebuffer When a Hyper-V framebuffer device is unbound, the hypervfb driver attempts to forcibly release the framebuffer. If the framebuffer is still in use, it produces a warning, and...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fbdev: omapfb: Added a check for the value “plane”. The function dispcovlsetup is not intended to work with the value OMAPDSSWB of the plane enum parameter. The value of this parameter is initialized in dssinitoverlays, and in th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Media: MediTech; vcodec: Fixed the VP8 stateless decoder’s “smatch” warning. A “smatch” static checker warning was also fixed in vdecvp8reqif.c. This issue causes the kernel to crash when fb is set to NULL...