5 matches found
CVE-2025-21686
In the Linux kernel, the following vulnerability has been resolved: iouring/rsrc: require cloned buffers to share accounting contexts When IORINGREGISTERCLONEBUFFERS is used to clone buffers from uring instance A to uring instance B, where A and B use different MMs for accounting, the accounting...
CVE-2025-21686
Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...
CVE-2025-21686
The initial CVE-2025-21686 entry is marked as rejected, but connected sources describe a real Linux kernel issue related to io_uring: when cloning buffers between uring instances A and B that use different memory accounting contexts, closing A before B can decrement B’s pinned memory counters, po...
