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Linux kernel IPv6 tunnel may read invalid memory
published 4 months ago
Summary
A bug in the Linux kernel's IPv6 tunneling code could cause the system to read data from a memory area that has been released, potentially leading to crashes or other unpredictable behavior. The issue occurs when certain large data packets are processed and the code fails to update a pointer after the packet buffer is altered. Updating the kernel to the latest version fixes the problem.
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-719c-235f-d114
References
Timeline
Published25 Jun 2026
Updated25 Jun 2026
First seen25 Jun 2026
Sources
ECHO-719c-235f-d114 · OSV
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