CVE-2025-40206

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftobjref: validate objref and objrefmap expressions Referencing a synproxy stateful object from OUTPUT hook causes kernel crash due to infinite recursive calls: BUG: TASK stack guard page was hit at 000000008bda5b8c...

CVE-2025-40206

The CVE-2025-40206 issue affects the Linux kernel netfilter NFT_OBJREF handling. It describes a vulnerability where referencing a synproxy stateful object from the OUTPUT hook can cause infinite recursive calls, leading to a kernel crash. The root cause is related to validating objref and objrefm...

CVE-2025-40206 netfilter: nft_objref: validate objref and objrefmap expressions

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftobjref: validate objref and objrefmap expressions Referencing a synproxy stateful object from OUTPUT hook causes kernel crash due to infinite recursive calls: BUG: TASK stack guard page was hit at 000000008bda5b8c...