CVE-2026-80548

CVE-2026-80548 affects the Linux kernel s390/vfio_ccw subsystem, where the io_mutex lock had a scope too narrow to fully serialize I/O operations, leaving residual race conditions on I/O resources. The fix expands the lock's scope to close these windows and also reworks how cp_free() is invoked f...

UBUNTU-CVE-2026-23158

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix UAF in configfs release path The gpio-virtuser configfs release path uses guardmutex to protect the device structure. However, the device is freed before the guard cleanup runs, causing mutexunlock to operate ...

CVE-2026-23158 gpio: virtuser: fix UAF in configfs release path

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix UAF in configfs release path The gpio-virtuser configfs release path uses guardmutex to protect the device structure. However, the device is freed before the guard cleanup runs, causing mutexunlock to operate ...

CVE-2026-23158 gpio: virtuser: fix UAF in configfs release path

In the Linux kernel, the following vulnerability has been resolved: gpio: virtuser: fix UAF in configfs release path The gpio-virtuser configfs release path uses guardmutex to protect the device structure. However, the device is freed before the guard cleanup runs, causing mutexunlock to operate ...

PT-2026-26051

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Linux kernel perf event subsystem during ring buffer management. The issue occurs in the perf mmap function when a mmap setup fails and a concurrent mmap i...