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 affected versions not specified Description An issue exists in the Reliable Delivery Service RDS implementation where zerocopy send operations can fail after user pages are pinned but before the message is attached to the sending...