CVE-2026-43502

The CVE-2026-43502 vulnerability affects the Linux kernel net/rds zerocopy send path. The root cause is incorrect cleanup logic: zerocopy ownership is determined by op_mmp_znotifier, but purge uses rm->m_rs, risking unqueued messages being cleaned up as if they owned normal payload pages. The ...

PT-2026-42458

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to May 2026 Description An out-of-bounds memory buffer operation exists in the rds message purge function. The issue occurs during a zerocopy send failure after user pages are pinned but before the message is attach...