CVE-2026-53402

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-bounds read in errout of fbcondosetfont When fbcondosetfont fails e.g., due to a memory allocation failure inside vcresize under heavy memory pressure, it jumps to the errout label to roll back the consol...

CVE-2026-53402 fbdev: fbcon: fix out-of-bounds read in err_out of fbcon_do_set_font()

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: fix out-of-bounds read in errout of fbcondosetfont When fbcondosetfont fails e.g., due to a memory allocation failure inside vcresize under heavy memory pressure, it jumps to the errout label to roll back the consol...

SUSE CVE-2026-55999

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...

CVE-2026-55999

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...

PT-2026-61107

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the err out label of the fbcon do set font function within the fbdev component. When fbcon do set font fails, such as during a memory allocation failure i...

fbcon.do_set_font Heap Buffer Overflow DoS

The vulnerability of the fbcondosetfont function in the drivers/video/fbdev/core/fbcon.c driver for kernel-based graphics buffer devices in the Linux operating system is related to improper memory release. Exploiting this vulnerability could allow an attacker to compromise the confidentiality,...

Linux kernel Frame Buffer Overflow DoS

The vulnerability of the fbconsetfont function in the drivers/video/fbdev/core/fbcon.c driver for kernel-based graphics buffer devices in the Linux operating system is related to integer overflow or cyclic shift vulnerabilities. Exploiting this vulnerability could allow an attacker to cause a...

CVE-2022-50404

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcondosetfont failed syzbot is reporting memory leak at fbcondosetfont 1, for commit a5a923038d70 "fbdev: fbcon: Properly revert changes when vcresize failed" missed that the buffer might be new...

CVE-2022-50404 fbdev: fbcon: release buffer when fbcon_do_set_font() failed

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcondosetfont failed syzbot is reporting memory leak at fbcondosetfont 1, for commit a5a923038d70 "fbdev: fbcon: Properly revert changes when vcresize failed" missed that the buffer might be new...

CVE-2022-50404

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcondosetfont failed syzbot is reporting memory leak at fbcondosetfont 1, for commit a5a923038d70 "fbdev: fbcon: Properly revert changes when vcresize failed" missed that the buffer might be new...

CVE-2022-50404

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcondosetfont failed syzbot is reporting memory leak at fbcondosetfont 1, for commit a5a923038d70 "fbdev: fbcon: Properly revert changes when vcresize failed" missed that the buffer might be new...

CVE-2022-50404 fbdev: fbcon: release buffer when fbcon_do_set_font() failed

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcondosetfont failed syzbot is reporting memory leak at fbcondosetfont 1, for commit a5a923038d70 "fbdev: fbcon: Properly revert changes when vcresize failed" missed that the buffer might be new...

CVE-2022-50404 fbdev: fbcon: release buffer when fbcon_do_set_font() failed

In the Linux kernel, the following vulnerability has been resolved: fbdev: fbcon: release buffer when fbcondosetfont failed syzbot is reporting memory leak at fbcondosetfont 1, for commit a5a923038d70 "fbdev: fbcon: Properly revert changes when vcresize failed" missed that the buffer might be new...

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 a failure to free a buffer when the fbcondosetfont function fails, which could lead to a memory leak...

fbcon Kernel DoS

The vulnerability of the fbcon component in the Linux operating system’s kernel is related to errors in resource management within the fbcondosetfont function. Exploiting this vulnerability can allow an attacker to cause a service failure...

PT-2024-7729

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the fbcon component of the Linux kernel, where an error in resource management within the fbcon do set font function can lead to a system crash. This can be...

kernel: fbcon: shift-out-of-bounds in fbcon_set_font()

A flaw was found in the Framebuffer Console fbcon in the Linux Kernel. When providing a font-width and font-height greater than 32 to the fbconsetfont, since there are no checks in place, a shift-out-of-bounds occurs, leading to undefined behavior and possible denial of service...

Linux kernel fbcon_set_font Heap Buffer Overflow

The vulnerability of the fbconsetfont function in the drivers/video/fbdev/core/fbcon.c file of the Linux kernel is related to integer overflow due to the lack of control over valid boundaries. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

SUSE CVE-2018-19492

An issue was discovered in cairo.trm in Gnuplot 5.2.5. This issue allows an attacker to conduct a buffer overflow with an arbitrary amount of data in the cairotrmoptions function. This flaw is caused by a missing size check of an argument passed to the "set font" function. This issue occurs when...

PT-2023-3083

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A flaw was found in the Framebuffer Console fbcon in the Linux Kernel. The issue is related to the fbcon set font function, which is vulnerable to an integer overflow due to a lack of...