Vulnerability in Linux

CVE-2022-50048

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: possible module reference underflow in error path dst->ops is set on when nft_expr_clone() fails, but module refcount has not been bumped yet, therefore nft_expr_destroy() leads to module reference underflow.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-50048: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 8cfd9b0f8515e7c361bba27e2a2684cbd427fe01, 5.11, 0
  • Linux Kernel — versions 6.0

References

Frequently asked questions

What is CVE-2022-50048?
CVE-2022-50048 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-06-18.
How severe is CVE-2022-50048?
High severity. CVSS v3 base score is 7.8 out of 10.