What’s Vulnerable › Vulnerabilities

CVE-2025-40180: mailbox: zynqmp-ipi: Fix out-of-bounds access in mailbox cleanup loop

• 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: 2025-11-12 · updated 2026-10-30

Description

In the Linux kernel, the following vulnerability has been resolved: mailbox: zynqmp-ipi: Fix out-of-bounds access in mailbox cleanup loop The cleanup loop was starting at the wrong array index, causing out-of-bounds access. Start the loop at the correct index for zero-indexed arrays to prevent accessing memory beyond the allocated array bounds.

Affected products

• Linux: 5.1 — fixed in 6.18

How to fix

Upgrade to a fixed version: Linux 6.18. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0aead8197fc1a85b0a89646e418feb49a564b029
• https://git.kernel.org/stable/c/47a92030422d09c2de0633d23f660a65b717f008
• https://git.kernel.org/stable/c/ab96f08ecedd263ecaab9df8455bfb23b07fdcc2
• https://git.kernel.org/stable/c/b91951f76be14a393439c7063974b4d26f3cb64f
• https://git.kernel.org/stable/c/cd0cbf2713f6e027ebba867cb7409ae345a31312

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