SUSE 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

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,...

Linux Distros Unpatched Vulnerability : CVE-2026-53385

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

PT-2026-61090

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the vcs write function. When the console lock is temporarily released to copy data from userspace, the vc data pointer obtained from vcs vc can become stale. I...

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’s virtual terminal driver (vc_screen). The issue arises in vcs_write() where, after console_unlock(), the vc_data object may be freed by vc_port_destruct(), causing a Use-After-Free when vcs_size() is later invoked. The fix reloads the pointer to the vc_dat...

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-2025-27988

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...

PT-2025-49477

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UAF issue exists in the vc screen component of the Linux kernel. The flaw occurs in the vcs write function when a pointer to the vc data structure is not reloaded after ...

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...

PT-2019-4466

Name of the Vulnerable Software and Affected Versions Linux kernel versions through 5.3.13 Description The issue is related to the vcs write function in the Linux kernel, specifically in the drivers/tty/vt/vc screen.c file. It involves a buffer overflow in memory, which could allow an attacker to...