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THREATINT
PUBLISHED

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.

Reserved 2025-06-18 | Published 2025-06-18 | Updated 2025-06-18 | Assigner Linux

Product status

Default status
unaffected

4ed8eb6570a49931c705512060acd50058d61616 before 0b21edf4cc13516716848e0a4fdf726aa2a62cd9
affected

4ed8eb6570a49931c705512060acd50058d61616 before 83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200
affected

4ed8eb6570a49931c705512060acd50058d61616 before eaba3f9b672c3a3f820da8ee9584b9520674eafa
affected

4ed8eb6570a49931c705512060acd50058d61616 before 9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7
affected

4ed8eb6570a49931c705512060acd50058d61616 before 343fed6b0daeb528ae5c9d4d84d9ff763ac95619
affected

4ed8eb6570a49931c705512060acd50058d61616 before 18bbc3213383a82b05383827f4b1b882e3f0a5a5
affected

Default status
affected

4.19
affected

Any version before 4.19
unaffected

4.19.273
unaffected

5.4.232
unaffected

5.10.169
unaffected

5.15.95
unaffected

5.19.6
unaffected

6.0
unaffected

References

git.kernel.org/...c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9

git.kernel.org/...c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200

git.kernel.org/...c/eaba3f9b672c3a3f820da8ee9584b9520674eafa

git.kernel.org/...c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7

git.kernel.org/...c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619

git.kernel.org/...c/18bbc3213383a82b05383827f4b1b882e3f0a5a5

cve.org (CVE-2022-50001)

nvd.nist.gov (CVE-2022-50001)

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https://cve.threatint.eu/CVE/CVE-2022-50001

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