CVEvulnerability
CVE-2022-50001
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2025-06-18
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Affected configurations
• linux linux kernel (>= 4.19 < 4.19.273)
• linux linux kernel (>= 4.20 < 5.4.232)
• linux linux kernel (>= 5.5 < 5.10.169)
• linux linux kernel (>= 5.11 < 5.15.95)
• linux linux kernel (>= 5.16 < 5.19.6)
• linux linux kernel 6.0
References
- https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9 Patch
- https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5 Patch
- https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619 Patch
- https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200 Patch
- https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7 Patch
- https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa Patch