What is CVE-2025-21797?

CVE-2025-21797 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2025-02-27.

How severe is CVE-2025-21797?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Linux

CVE-2025-21797

In the Linux kernel, the following vulnerability has been resolved: HID: corsair-void: Add missing delayed work cancel for headset status The cancel_delayed_work_sync() call was missed, causing a use-after-free in corsair_void_remove().

Vulnerability class: Use-After-Free

EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 6ea2a6fd3872e60a4d500b548ad65ed94e459ddd, 6.13, 0
Linux Linux_kernel — versions 6.14

Weakness classification (CWE)

CWE-416 — Use After Free

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2025-21797?: CVE-2025-21797 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2025-02-27.
How severe is CVE-2025-21797?: High severity. CVSS v3 base score is 7.8 out of 10.