CVE-2022-50001

netfilter: nft_tproxy: restrict to prerouting hook

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.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

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

Frequently Asked Questions

What is the severity of CVE-2022-50001?: CVE-2022-50001 has not yet been assigned a CVSS score.
How to fix CVE-2022-50001?: To fix CVE-2022-50001, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-50001 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-50001 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-50001?: CVE-2022-50001 affects Linux Linux, Linux Linux.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.