CVE-2026-89585

A flaw was found in the auxdisplay: charlcd component of the Linux kernel. This use-after-free vulnerability occurs when the charlcdregister function fails, leading to the charlcd object being freed while a delayed work item still retains its address. A local attacker could potentially exploit th...

CVE-2026-89585

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: charlcd: cancel backlight work on registration failure With CONFIGCHARLCDBLFLASH, charlcdinit schedules blwork before charlcdregister calls miscregister. If registration fails, the caller frees the charlcd object whil...

CVE-2026-89585

CVE-2026-89585 affects the Linux kernel auxdisplay charlcd driver. With CONFIG_CHARLCD_BL_FLASH enabled, charlcd_init() schedules a delayed work item (bl_work) before charlcd_register() calls misc_register(). If registration fails, the caller frees the charlcd object while the delayed work still ...

CVE-2026-89585 auxdisplay: charlcd: cancel backlight work on registration failure

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: charlcd: cancel backlight work on registration failure With CONFIGCHARLCDBLFLASH, charlcdinit schedules blwork before charlcdregister calls miscregister. If registration fails, the caller frees the charlcd object whil...

EUVD-2026-76497

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: charlcd: cancel backlight work on registration failure With CONFIGCHARLCDBLFLASH, charlcdinit schedules blwork before charlcdregister calls miscregister. If registration fails, the caller frees the charlcd object whil...

PT-2026-90301

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: charlcd: cancel backlight work on registration failure With CONFIG CHARLCD BL FLASH, charlcd init schedules bl work before charlcd register calls misc register. If registration fails, the caller frees the charlcd obje...