CVE-2022-50001

netfilter: nft_tproxy: restrict to prerouting hook

Severity Score

7.0

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

MITRE
TN

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.

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.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2025-06-18 CVE Reserved
2025-06-18 CVE Published
2025-06-18 CVE Updated
2025-08-25 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (9)

URL	Tag	Source
https://git.kernel.org/stable/c/4ed8eb6570a49931c705512060acd50058d61616	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9	2023-02-22
https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200	2023-02-22
https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa	2023-02-22
https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7	2023-02-22
https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619	2022-08-31
https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5	2022-08-23

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2022-50001	2023-05-16
https://bugzilla.redhat.com/show_bug.cgi?id=2373652	2023-05-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.19 < 4.19.273 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19 < 4.19.273"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.19 < 5.4.232 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19 < 5.4.232"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.19 < 5.10.169 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19 < 5.10.169"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.19 < 5.15.95 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19 < 5.15.95"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.19 < 5.19.6 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19 < 5.19.6"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.19 < 6.0 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.19 < 6.0"		en		Affected