Use After Free in Linux

CVE-2023-53572

In the Linux kernel, the following vulnerability has been resolved: clk: imx: scu: use _safe list iterator to avoid a use after free This loop is freeing "clk" so it needs to use list_for_each_entry_safe(). Otherwise it dereferences a freed variable to get the next item on the loop.

Vulnerability class: Use-After-Free

EPSS: 0.001 (3.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53572?
CVE-2023-53572 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.0/10. Published 2025-10-04.
How severe is CVE-2023-53572?
High severity. CVSS v3 base score is 7.0 out of 10.