SUSE CVE-2025-21655

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: ensure ioeventfdsignal defers another RCU period ioeventfddosignal is invoked from an RCU callback, but when dropping the reference to the ioevfd, it calls ioeventfdfree directly if the refcount drops to zero. Th...

PT-2025-4336

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.74 Description The issue concerns the Linux kernel, where the function io eventfd signal does not properly defer another RCU period when io eventfd do signal is invoked from an RCU callback. This leads to io...