Re: [PATCH net RESEND] vxlan: vnifilter: enforce exact length of GROUP/GROUP6 attributes
| Newsgroups | org.kernel.vger.netdev,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <178700880590.1786107.954670748778708008.git-patchwork-notify@kernel.org> |
Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski <[email protected]>: On Wed, 12 Aug 2026 14:53:41 -0700 you wrote: > The VXLAN VNI filter entry policy declares the GROUP/GROUP6 address > attributes as NLA_BINARY with only a maximum length, so validate_nla() > accepts a payload shorter than the address. The GROUP consumer reads it > with nla_get_in_addr(), an unconditional 4-byte load, so a short > attribute over-reads up to 3 bytes of uninitialised slab data, which are > stored into remote_ip and echoed back via RTM_GETTUNNEL, disclosing > kernel memory. > > [...] Here is the summary with links: - [net,RESEND] vxlan: vnifilter: enforce exact length of GROUP/GROUP6 attributes https://git.kernel.org/netdev/net/c/984f831dda31 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html