kernel: fbdev: hyperv_fb: Allow graceful removal of framebuffer

A flaw was found in the Linux kernel's Hyper-V framebuffer driver. This flaw allows a local user to cause a Denial of Service DoS by unbinding a Hyper-V framebuffer device while it is still in active use. Because the driver attempts to forcefully release an in-use framebuffer rather than waiting...

CVE-2025-39771

In the Linux kernel, the following vulnerability has been resolved: regulator: pca9450: Use devmregistersysoffhandler With module test, there is error dump: ------------ cut here ------------ notifier callback pca9450i2crestarthandler already registered WARNING: kernel/notifier.c:23 at...

CVE-2025-39771

The CVE-2025-39771 entry concerns the Linux kernel regulator driver pca9450. The issue arises in the pca9450_restart handling during module probe, where a notifier callback is already registered, leading to a kernel dump if not managed. The documented remediation is to use devm_register_sys_off_h...

SUSE CVE-2025-21976

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Allow graceful removal of framebuffer When a Hyper-V framebuffer device is unbind, hypervfb driver tries to release the framebuffer forcefully. If this framebuffer is in use it produce the following WARN and henc...

AZL-69506 CVE-2025-21976 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Allow graceful removal of framebuffer When a Hyper-V framebuffer device is unbind, hypervfb driver tries to release the framebuffer forcefully. If this framebuffer is in use it produce the following WARN and henc...

UBUNTU-CVE-2025-21976

In the Linux kernel, the following vulnerability has been resolved: fbdev: hypervfb: Allow graceful removal of framebuffer When a Hyper-V framebuffer device is unbind, hypervfb driver tries to release the framebuffer forcefully. If this framebuffer is in use it produce the following WARN and henc...