CVE-2026-53385

In the Linux kernel, the following vulnerability has been resolved: vcscreen: fix null-ptr-deref in vcsnotifier during concurrent vcswrite A KASAN null-ptr-deref was observed in vcsnotifier: BUG: KASAN: null-ptr-deref in vcsnotifier+0x98/0x130 Read of size 2 at addr qmpcmdname: qmpcapabilities,...

CVE-2026-53385 vc_screen: fix null-ptr-deref in vcs_notifier() during concurrent vcs_write

In the Linux kernel, the following vulnerability has been resolved: vcscreen: fix null-ptr-deref in vcsnotifier during concurrent vcswrite A KASAN null-ptr-deref was observed in vcsnotifier: BUG: KASAN: null-ptr-deref in vcsnotifier+0x98/0x130 Read of size 2 at addr qmpcmdname: qmpcapabilities,...

EUVD-2026-45507

In the Linux kernel, the following vulnerability has been resolved: vcscreen: fix null-ptr-deref in vcsnotifier during concurrent vcswrite A KASAN null-ptr-deref was observed in vcsnotifier: BUG: KASAN: null-ptr-deref in vcsnotifier+0x98/0x130 Read of size 2 at addr qmpcmdname: qmpcapabilities,...

PT-2026-61090

In the Linux kernel, the following vulnerability has been resolved: vc screen: fix null-ptr-deref in vcs notifier during concurrent vcs write A KASAN null-ptr-deref was observed in vcs notifier: BUG: KASAN: null-ptr-deref in vcs notifier+0x98/0x130 Read of size 2 at addr qmp cmd name: qmp...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000305)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000305 advisory. vcswrite in drivers/tty/vt/vcscreen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a. Tenable has extracted t...

CVE-2023-53747

CVE-2023-53747 affects the Linux kernel vt/tty subsystem. The vulnerability arises from a use-after-free (UAF) in vc_screen when performing vcs_write() after console_unlock(); the vc_data pointer must be reloaded in the loop after console_lock() to prevent a UAF in vcs_size(). Publications across...

CVE-2023-53747

In the Linux kernel, the following vulnerability has been resolved: vcscreen: reload load of struct vcdata pointer in vcswrite to avoid UAF After a call to consoleunlock in vcswrite the vcdata struct can be freed by vcportdestruct. Because of that, the struct vcdata pointer must be reloaded in th...

Linux Distros Unpatched Vulnerability : CVE-2023-53747

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vcscreen: reload load of struct vcdata pointer in vcswrite to avoid UAF After a call to consoleunlock in vcswrite the vcdata struct can be freed by...

PT-2025-49477

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the vc screen module. Specifically, a struct vc data pointer in the vcs write function can be freed by vc port destruct after a ca...

PT-2025-27988

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved. The issue is related to the vgacon scroll function, where a check for the vc origin address range has been added. The vulnerabili...

SUSE CVE-2019-19252

vcswrite in drivers/tty/vt/vcscreen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a...

UBUNTU-CVE-2019-19252

vcswrite in drivers/tty/vt/vcscreen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a...