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Linux kernel netfilter may crash during packet TTL check
published 4 months ago
Summary
The Linux kernel's netfilter component could try to use a missing network device reference when it checks a packet's time-to-live value, which could cause the system to freeze or restart. This error can appear in modern setups that use containers or virtual switches. Updating to a kernel version that includes the fix prevents the crash by removing the unsafe reference and simplifying the TTL logic.
What to do
- Update echo linux to version 6.12.94-1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Echo | echo | linux |
< 6.12.94-1 Fix: upgrade to 6.12.94-1
|
Original advisory text
ECHO-9bca-70ce-0318
References
Timeline
Published25 Jun 2026
Updated25 Jun 2026
First seen25 Jun 2026
Sources
ECHO-9bca-70ce-0318 · OSV
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