CVE-2025-39944 octeontx2-pf: Fix use-after-free bugs in otx2_sync_tstamp()

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix use-after-free bugs in otx2synctstamp The original code relies on canceldelayedwork in otx2ptpdestroy, which does not ensure that the delayed work item synctstampwork has fully completed if it was already runnin...

CVE-2025-39944

CVE-2025-39944 affects the Linux kernel OcteonTX2 PCI device driver (octeontx2-pf). It fixes a use-after-free in otx2_sync_tstamp() caused by a race with a running delayed work item; cancel_delayed_work() could leave synctstamp_work dereferencing a freed otx2_ptp. The mitigation in the fix is to ...