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

What is CVE-2025-71075?

CVE-2025-71075 is a high-severity use after free vulnerability in Linux kernel, published on 13 Jan 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-416

Which versions are affected by CVE-2025-71075?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2025-71075?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2025-71075 being exploited?

There is no known exploitation of CVE-2025-71075 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-74400, BELL-CVE-2025-71075, DEBIAN-CVE-2025-71075, GHSA-22c9-2rqw-7g84, ROOT-OS-UBUNTU-2204-CVE-2025-71075, ROOT-OS-UBUNTU-2404-CVE-2025-71075 and 1 more.