What’s Vulnerable › Vulnerabilities

CVE-2023-53818: ARM: zynq: Fix refcount leak in zynq_early_slcr_init

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-09 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ARM: zynq: Fix refcount leak in zynq_early_slcr_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on error path. Add missing of_node_put() to avoid refcount leak.

Affected products

• Linux kernel: 4.0 — fixed in 6.3

How to fix

Upgrade to a fixed version: Linux kernel 6.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1cc12d10d13ae5ad8d3f7432a4c0156d221fc99b
• https://git.kernel.org/stable/c/227f8c1c5c4b3d131b66e57e58d38054f441b915
• https://git.kernel.org/stable/c/351b7e93d02b50b2faae2d4bda28e16a8389cbb7
• https://git.kernel.org/stable/c/4c22ee805202087c2553c9175968e9e922d75bc1
• https://git.kernel.org/stable/c/9eedb910a3be0005b88c696a8552c0d4c9937cd4
• https://git.kernel.org/stable/c/e43a06c73be4b93d308f0df809ee0023b7c37b54
• https://git.kernel.org/stable/c/ede0334bf4df360f4f9446075cffbbb3bc54d0b6
• https://git.kernel.org/stable/c/f00bc6727adf840eb208700ea27cda4f3742629d

Get alerted when CVE-2023-53818 or the next vulnerability affects your stack