CVE-2022-50001

Summary

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_tproxy: restrict to prerouting hook

TPROXY is only allowed from prerouting, but nft_tproxy doesn't check this. This fixes a crash (null dereference) when using tproxy from e.g. output.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4ed8eb6570a49931c705512060acd50058d61616 < 0b21edf4cc13516716848e0a4fdf726aa2a62cd9affected
LinuxLinux4ed8eb6570a49931c705512060acd50058d61616 < 83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200affected
LinuxLinux4ed8eb6570a49931c705512060acd50058d61616 < eaba3f9b672c3a3f820da8ee9584b9520674eafaaffected
LinuxLinux4ed8eb6570a49931c705512060acd50058d61616 < 9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7affected
LinuxLinux4ed8eb6570a49931c705512060acd50058d61616 < 343fed6b0daeb528ae5c9d4d84d9ff763ac95619affected
LinuxLinux4ed8eb6570a49931c705512060acd50058d61616 < 18bbc3213383a82b05383827f4b1b882e3f0a5a5affected
LinuxLinux4.19affected
LinuxLinux0 < 4.19unaffected
LinuxLinux4.19.273 <= 4.19.*unaffected
LinuxLinux5.4.232 <= 5.4.*unaffected
LinuxLinux5.10.169 <= 5.10.*unaffected
LinuxLinux5.15.95 <= 5.15.*unaffected
LinuxLinux5.19.6 <= 5.19.*unaffected
LinuxLinux6.0 <= *unaffected

Weaknesses

References