UBUNTU-CVE-2022-49419

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: vesafb: Fix a use-after-free due early fbinfo cleanup Commit b3c9a924aab6 "fbdev: vesafb: Cleanup fbinfo in .fbdestroy rather than .remove" fixed a use-after-free error due the vesafb driver freeing the fbinfo in th...

UBUNTU-CVE-2022-49162

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: sm712fb: Fix crash in smtcfbwrite When the sm712fb driver writes three bytes to the framebuffer, the driver will crash: BUG: unable to handle page fault for address: ffffc90001ffffff RIP: 0010:smtcfbwrite+0x454/0x5b...

UBUNTU-CVE-2021-47642

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: nvidiafb: Use strscpy to prevent buffer overflow Coverity complains of a possible buffer overflow. However, given the 'static' scope of nvidiasetupi2cbus it looks like that can't happen after examiniing the call...

CVE-2022-49511 fbdev: defio: fix the pagelist corruption

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: fix the pagelist corruption Easily hit the below list corruption: == listadd corruption. prev-next should be next ffffffffc0ceb090, but was ffffec604507edc8. prev=ffffec604507edc8. WARNING: CPU: 65 PID: 3959 at...

CVE-2022-49511

In CVE-2022-49511, the race occurs in the Linux kernel’s fbdev defio path: one thread adds page->lru to the pagelist tail in fb_deferred_io_mkwrite while another re-initializes the same page->lru in fb_deferred_io_fault, without proper synchronization. The fix initializes all page lists onc...

CVE-2022-49511

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: fix the pagelist corruption Easily hit the below list corruption: == listadd corruption. prev-next should be next ffffffffc0ceb090, but was ffffec604507edc8. prev=ffffec604507edc8. WARNING: CPU: 65 PID: 3959 at...

CVE-2022-49511 fbdev: defio: fix the pagelist corruption

In the Linux kernel, the following vulnerability has been resolved: fbdev: defio: fix the pagelist corruption Easily hit the below list corruption: == listadd corruption. prev-next should be next ffffffffc0ceb090, but was ffffec604507edc8. prev=ffffec604507edc8. WARNING: CPU: 65 PID: 3959 at...

CVE-2022-49419

The CVE-2022-49419 issue affects the Linux kernel vesafb (video: fbdev) where use-after-free can occur if the fb_info is freed in the .remove path before or after .fb_destroy. The underlying cause is an ordering bug: the code previously freed fb_info in .remove, which could reference freed memory...

CVE-2021-47652

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: smscufx: Fix null-ptr-deref in ufxusbprobe I got a null-ptr-deref report: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... RIP: 0010:fbdestroymodelist+0x38/0x100 ... Call Trace:...

CVE-2021-47652 video: fbdev: smscufx: Fix null-ptr-deref in ufx_usb_probe()

In the Linux kernel, the following vulnerability has been resolved: video: fbdev: smscufx: Fix null-ptr-deref in ufxusbprobe I got a null-ptr-deref report: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... RIP: 0010:fbdestroymodelist+0x38/0x100 ... Call Trace:...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the fbdev defio module that could lead to page table corruption...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: efifb: Registering sysfs groups through the driver core. The driver core can already register and clean up sysfs groups. Make use of this functionality to simplify error handling and cleanup processes. Additionally, a UAF...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle an error return when savagefbcheckvar fails. The commit 04e5eac8f3ab „fbdev: savage: Error out if pixclock equals zero“ checks the value of pixclock to avoid a divide-by-zero error. However, the function...

Astra Linux - уязвимость в linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu: fix refcount leak Why the gem object rfb-base.obj0 is get according to numplanes in amdgpufbcreate, but is not put according to numplanes How put rfb-base.obj0 in amdgpufbdevdestroy according to numplanes...

CVE-2024-56746

In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fballocmem When information such as info-screenbase is not ready, calling sh7760fbfreemem does not release memory correctly. Call dmafreecoherent instead...

SUSE CVE-2024-56746

In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fballocmem When information such as info-screenbase is not ready, calling sh7760fbfreemem does not release memory correctly. Call dmafreecoherent instead...

CVE-2024-56746

In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fballocmem When information such as info-screenbase is not ready, calling sh7760fbfreemem does not release memory correctly. Call dmafreecoherent instead...

DEBIAN-CVE-2024-56746

In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fballocmem When information such as info-screenbase is not ready, calling sh7760fbfreemem does not release memory correctly. Call dmafreecoherent instead...

CVE-2024-56746 fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem()

In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fballocmem When information such as info-screenbase is not ready, calling sh7760fbfreemem does not release memory correctly. Call dmafreecoherent instead...

CVE-2024-56746

CVE-2024-56746 concerns a Linux kernel memory-leak in the fbdev sh7760fb driver. When information such as info->screen_base is not ready, sh7760fb_free_mem() previously did not reliably release memory, leading to a leak. The fix switches to using dma_free_coherent() to free memory in sh7760fb_...