What’s Vulnerable › Vulnerabilities

CVE-2023-53572: clk: imx: scu: use _safe list iterator to avoid a use after free

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-04 · updated 2026-08-04
• Weakness: CWE-416

Description

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.

Affected products

• Linux kernel: from 5.11 before 5.15.121; from 5.16 before 6.1.39; from 6.2 before 6.3.13; from 6.4 before 6.4.4 — fixed in 5.15.121, 6.1.39, 6.3.13, 6.4.4

How to fix

Upgrade to a fixed version: Linux kernel 5.15.121, 6.1.39, 6.3.13, 6.4.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/08cc7cd2c2a29a2abf5bceb8f048c0734d3694ba
• https://git.kernel.org/stable/c/0a719f0e4b6f233979e219baff73923e76a96e09
• https://git.kernel.org/stable/c/3d90921f91fc6a8c801d527bb5848c99e335c1cf
• https://git.kernel.org/stable/c/632c60ecd25dbacee54d5581fe3aeb834b57010a
• https://git.kernel.org/stable/c/f95ff838ac39f861d1f95a0f3bbb1e01c2517d79

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