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CVE-2022-50001
netfilter: nft_tproxy: restrict to prerouting hook
Medium5.5EPSS 0.19%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Timeline
ID reserved
By Linux
Published
- 11 months later
· 11 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 4ed8eb6570a49931c705512060acd50058d61616 – < 0b21edf4cc13516716848e0a4fdf726aa2a62cd9
- affected 4ed8eb6570a49931c705512060acd50058d61616 – < 83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200
- affected 4ed8eb6570a49931c705512060acd50058d61616 – < eaba3f9b672c3a3f820da8ee9584b9520674eafa
- affected 4ed8eb6570a49931c705512060acd50058d61616 – < 9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7
- affected 4ed8eb6570a49931c705512060acd50058d61616 – < 343fed6b0daeb528ae5c9d4d84d9ff763ac95619
- affected 4ed8eb6570a49931c705512060acd50058d61616 – < 18bbc3213383a82b05383827f4b1b882e3f0a5a5
- affected 4.19
- unaffected < 4.19
- unaffected 4.19.273 – ≤ 4.19.*
- unaffected 5.4.232 – ≤ 5.4.*
- unaffected 5.10.169 – ≤ 5.10.*
- unaffected 5.15.95 – ≤ 5.15.*
- unaffected 5.19.6 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (6)
- https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9 (opens in a new tab)
- https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200 (opens in a new tab)
- https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafa (opens in a new tab)
- https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7 (opens in a new tab)
- https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619 (opens in a new tab)
- https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-50001)Record last updated .