CVE-2022-50001

MEDIUM EPSS 5.1%
Published Jun 18, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
5.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.19  –  <4.19.273
linuxlinux_kernel*≥4.20  –  <5.4.232
linuxlinux_kernel*≥5.5  –  <5.10.169
linuxlinux_kernel*≥5.11  –  <5.15.95
linuxlinux_kernel*≥5.16  –  <5.19.6
linuxlinux_kernel6.0any
linuxlinux_kernel6.0any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa
    Patch