CVE-2026-97996 virtio: fix use-after-free in unregister_virtio_device()

In the Linux kernel, the following vulnerability has been resolved: virtio: fix use-after-free in unregistervirtiodevice deviceunregister is devicedel plus putdevice. When the caller holds no extra reference, that drops the last one and runs the release callback, which for several transports free...

PT-2026-98660

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the unregister virtio device function. The problem occurs when device unregister triggers a release callback that frees the memory of the embedded struct...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013031)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013031 advisory. In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006740)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006740 advisory. In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in...

The vulnerability of the virtio_uml_probe() function in the arch/um/drivers/virtio_uml.c file of 1 Linux kernel cores allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the virtioumlprobe function in the arch/um/drivers/virtiouml.c file of 1 Linux kernel is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow a remote attacker to compromise the confidentiality, integrity, and accessibility of...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fixed a use-after-free after putdevice in probe. When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1, even though the device was not successfully registered. This can lead to...

Linux Distros Unpatched Vulnerability : CVE-2025-39951

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1 even though the...

SUSE CVE-2025-39951

In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1 even though the device was not successfully registered. This can lead to...

um: virtio_uml: Fix use-after-free after put_device in probe

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EUVD-2025-32381

In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1 even though the device was not successfully registered. This can lead to...

CVE-2025-39951

In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1 even though the device was not successfully registered. This can lead to...

UBUNTU-CVE-2025-39951

In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1 even though the device was not successfully registered. This can lead to...

CVE-2025-39951 um: virtio_uml: Fix use-after-free after put_device in probe

In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1 even though the device was not successfully registered. This can lead to...

CVE-2025-39951

CVE-2025-39951 is a Linux kernel use-after-free issue in virtio_uml during probe, fixed by virtio_uml_probe() logic (vu_dev->registered set only after successful registration). Connected advisories show Debian LTS updates addressing this CVE in linux packages (5.10.247-1 for Debian 11 and linu...

CVE-2025-39951 um: virtio_uml: Fix use-after-free after put_device in probe

In the Linux kernel, the following vulnerability has been resolved: um: virtiouml: Fix use-after-free after putdevice in probe When registervirtiodevice fails in virtioumlprobe, the code sets vudev-registered = 1 even though the device was not successfully registered. This can lead to...