What’s Vulnerable › Vulnerabilities

CVE-2026-80607: tracing/probes: Remove WARN_ON_ONCE from parse_btf_arg

• 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: 2026-08-28 · updated 2026-10-21

Description

In the Linux kernel, the following vulnerability has been resolved: tracing/probes: Remove WARN_ON_ONCE from parse_btf_arg Sashiko found that user can cause this WARN_ON_ONCE() easily with adding a kprobe event based on a raw address with BTF parameter. Since this is not an unexpected condition, remove the WARN_ON_ONCE().

Affected products

• Linux kernel: 6.5 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/24a753a49d06813a156695e3804dcc11c7fdef07
• https://git.kernel.org/stable/c/251a8fe1b9aedccd298b77bc28426d564c5a923f
• https://git.kernel.org/stable/c/8a662d8c05e2cf16f7a047c81bc1eb5d3b29bacd
• https://git.kernel.org/stable/c/e177f1530af440d9330c149080aa3b24ddefa18b
• https://git.kernel.org/stable/c/f148f86c65b8f9ef2466ad8506e721749e4957fb

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