CVE-2026-31668

In the Linux kernel, the following vulnerability has been resolved: seg6: separate dstcache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dstcache per encap route, shared between seg6inputcore and seg6outputcore. These two paths can perform the post-encap SID lookup ...

DEBIAN-CVE-2026-31668

In the Linux kernel, the following vulnerability has been resolved: seg6: separate dstcache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dstcache per encap route, shared between seg6inputcore and seg6outputcore. These two paths can perform the post-encap SID lookup ...

CVE-2026-31668

The CVE-2026-31668 issue affects the Linux kernel’s seg6 lwtunnel, where a single dst_cache was shared between input and output paths. This allowed the post-encap SID lookup to be performed in different routing contexts, with the second path potentially reusing the first path’s cached data and by...