Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: vcscreen: The load of the struct vcdata pointer in vcswrite was reloaded to avoid a Use-After-Free UAF condition. After a call to consoleunlock in vcswrite, the struct vcdata structure can be freed using vcportdestruct. Therefore...

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...

kernel: vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF

In the Linux kernel, the following vulnerability has been resolved: vcscreen: move load of struct vcdata pointer in vcsread to avoid UAF After a call to consoleunlock in vcsread the vcdata struct can be freed by vcdeallocate. Because of that, the struct vcdata pointer load must be done at the top...

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 ...

PT-2025-13319

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.2.0-rc5 Description A use-after-free issue was identified in the Linux kernel, specifically in the vcs read function. This occurs because the vc data struct can be freed by vc deallocate after a call to console...