VulnerabilityAnalyzed
CVE-2022-50001
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.
MEDIUM 5.5EPSS 0.18%
Does this matter?
Lower severity and a low EPSS score (0.18%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.18% probability · 7th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/0b21edf4cc13516716848e0a4fdf726aa2a62cd9Patch
- https://git.kernel.org/stable/c/18bbc3213383a82b05383827f4b1b882e3f0a5a5Patch
- https://git.kernel.org/stable/c/343fed6b0daeb528ae5c9d4d84d9ff763ac95619Patch
- https://git.kernel.org/stable/c/83ef55c4281f1b4c6bd4457c2e96ccd1c9e80200Patch
- https://git.kernel.org/stable/c/9a1d92cbeac3335fee99fa865b8c5b0f2e71a8f7Patch
- https://git.kernel.org/stable/c/eaba3f9b672c3a3f820da8ee9584b9520674eafaPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.