THREATOPS

THREAT OPS › Threat News › [NVD] CVE-2026-43502 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: net/rds: handle zerocopy send cleanup before the message is queued A zerocopy send can fail after user pages have been pinned but before the message is attached to the sending socket. The purge path currently

[NVD] CVE-2026-43502 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: net/rds: handle zerocopy send cleanup before the message is queued A zerocopy send can fail after user pages have been pinned but before the message is attached to the sending socket. The purge path currently

lownvdPublished 2026-05-21

CVE-2026-43502 CVSS: 7.8 HIGH Published: 2026-05-21T13:16:19.520

In the Linux kernel, the following vulnerability has been resolved:

net/rds: handle zerocopy send cleanup before the message is queued

A zerocopy send can fail after user pages have been pinned but before the message is attached to the sending socket.

The purge path currently infers zerocopy state from rm->m_rs, so an unqueued me

Indicators of compromise

CVE-2026-43502cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-43502