PT-2026-82196

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fbdev component where the mode string function uses snprintf, which may return a value exceeding the remaining buffer space. The show modes function accumulates th...

CVE-2026-80578: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fbdev: core: Fix pointer desynchronization in fbioread In fbioread, if copytouser performs a partial copy e.g., due to a faulty user buffer, the loop adjusts the chunk size 'c' and updates the remaining 'count'. However, the...

CVE-2026-80578: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fbdev: core: Fix pointer desynchronization in fbioread In fbioread, if copytouser performs a partial copy e.g., due to a faulty user buffer, the loop adjusts the chunk size 'c' and updates the remaining 'count'. However, the...

CVE-2026-80580: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: fbdev: bound mode sysfs output to the sysfs buffer modestring uses snprintf which can return a value larger than the remaining buffer space. showmodes accumulates the return value into i without checking whether i has reached...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098692)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098692 advisory. In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix vmalloc out-of-bounds write in fastimageblit This issue triggers when a userspace...

Linux Distros Unpatched Vulnerability : CVE-2026-80580

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fbdev: bound mode sysfs output to the sysfs buffer modestring uses snprintf which can return a value larger than the remaining buffer space. showmodes accumulat...

Linux Distros Unpatched Vulnerability : CVE-2026-80579

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fbdev: clear fbinfo-mode before deleting a videomode fbsetvar can delete a mode from info-modelist when userspace passes FBACTIVATEINVMODE through...

Linux Distros Unpatched Vulnerability : CVE-2026-80578

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fbdev: core: Fix pointer desynchronization in fbioread In fbioread, if copytouser performs a partial copy e.g., due to a faulty user buffer, the loop adjusts th...

PT-2026-82195

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fbdev component where the fb set var function can delete a mode from the info-modelist when userspace provides FB ACTIVATE INV MODE via FBIOPUT VSCREENINFO. While...

PT-2026-82194

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fb io read function where a pointer desynchronization occurs if copy to user performs a partial copy, such as when a user buffer is faulty. In this scenario, the...

The vulnerability in the driver module/video/fbdev/smscufx.c of the Linux operating system’s kernel-based video buffer device allows a hacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the driver module/video/fbdev/smscufx.c driver for kernel-based Linux device buffer devices is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...

CVE-2026-74635

A flaw was found in the Linux kernel's fbdev subsystem, specifically within the bitcursor function. A local user can exploit this vulnerability by writing arbitrary values to the /dev/vcsa device or by manipulating font changes. This improper handling of glyph indices can lead to an out-of-bounds...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbdev: efifb: fixed a memory leak in efifbprobe Since commit 73ce73c30ba9 “fbdev: Transfer video= option strings to caller; clarified ownership”, the string returned by fbgetoptions is expected to be freed by the caller. However,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbdev: vesafb: A memory leak was fixed in vesafbprobe. Since commit 73ce73c30ba9 “fbdev: Transfer video= option strings to caller; clarify ownership”, the string returned by fbgetoptions is expected to be freed by the caller...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fbdev: broadsheetfb: A potential memory leak has been fixed in broadsheetfbprobe. The memory allocated for pagerefs in fbdeferredioinit is not freed during the error path. This issue has been addressed by calling...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: Release buffer when fbcondosetfont fails. syzbot is reporting a memory leak at fbcondosetfont, for the commit a5a923038d70 “fbdev: fbcon: Properly revert changes when vcresize fails”. It was overlooked that the buff...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fbdev: metronomefb: fixed a potential memory leak in metronomefbprobe The memory allocated for pagerefs in fbdeferredioinit is not freed on the error path. This issue was addressed by calling fbdeferrediocleanup...

K000163041: Linux kernel vulnerability CVE-2026-53403

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: fbdev: Fix fbnewmodelist to prevent null-ptr-deref in fbvideomodetovar info-var, a framebuffer's current mode, is expected to have a matching entry in info-modelist. vartodisplay relies on this and...

SUSE CVE-2026-74635

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitcursor bitcursor fetches the glyph under the cursor with c = scrreadwvcpos; src = vcfont.data + c & charmask w height; where charmask is 0x1ff when vchifontmask is set. The screen...

AZL-97097 CVE-2026-74635 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bitcursor bitcursor fetches the glyph under the cursor with c = scrreadwvcpos; src = vcfont.data + c & charmask w height; where charmask is 0x1ff when vchifontmask is set. The screen...