CVE-2022-50001

MEDIUM

Linux Kernel 4.19-5.19.5 - DoS via nft_tproxy Hook Misuse

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.5
EPSS 0.0016
EPSS Percentile 5.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (21)
linux/Kernel 4.19.0 - 4.19.273linux
linux/Kernel 4.20.0 - 5.4.232linux
linux/Kernel 5.11.0 - 5.15.95linux
linux/Kernel 5.16.0 - 5.19.6linux
linux/Kernel 5.5.0 - 5.10.169linux
Linux/Linux < 4.19
Linux/Linux 4.19
Linux/Linux 4.19.273 - 4.19.*
Linux/Linux 4ed8eb6570a49931c705512060acd50058d61616 - 0b21edf4cc13516716848e0a4fdf726aa2a62cd9
Linux/Linux 4ed8eb6570a49931c705512060acd50058d61616 - 18bbc3213383a82b05383827f4b1b882e3f0a5a5
... and 11 more
Published Jun 18, 2025
Tracked Since Feb 18, 2026