kernel: fs: writeback: fix use-after-free in __mark_inode_dirty()

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

EUVD-2025-30334

Malicious code in bioql PyPI...

UBUNTU-CVE-2025-39866

In the Linux kernel, the following vulnerability has been resolved: fs: writeback: fix use-after-free in markinodedirty An use-after-free issue occurred when markinodedirty get the bdiwriteback that was in the progress of switching. CPU: 1 PID: 562 Comm: systemd-random- Not tainted...

CVE-2025-39866

CVE-2025-39866 concerns a use-after-free in the Linux kernel’s fs writeback path, specifically __mark_inode_dirty() when the inode’s wb switching occurs. The root cause is a race during switching inode_writeback backends (wb) which can lead to use-after-free via wb_wakeup_delayed() accessing a fr...