What’s Vulnerable › Vulnerabilities

CVE-2023-53994: ionic: remove WARN_ON to prevent panic_on_warn

• 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: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ionic: remove WARN_ON to prevent panic_on_warn Remove unnecessary early code development check and the WARN_ON that it uses. The irq alloc and free paths have long been cleaned up and this check shouldn't have stuck around so long.

Affected products

• Linux kernel: 5.4 — fixed in 6.5

How to fix

Upgrade to a fixed version: Linux kernel 6.5. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1417dd787a5e55b410a00a28231b0dcb19172457
• https://git.kernel.org/stable/c/4c7276a6daf7e13a6dd30b0347b3f2c7df4d40bb
• https://git.kernel.org/stable/c/abfb2a58a5377ebab717d4362d6180f901b6e5c1
• https://git.kernel.org/stable/c/daeaad114cb163ec51bcf14326cb7fe37d368459
• https://git.kernel.org/stable/c/dc470466753ad0dd3a8c48aaefa05a992c119b9c
• https://git.kernel.org/stable/c/f8cc4fd99a325505e15c3da95d6de266efd3d9b5

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