CVE-2022-50048

MEDIUM

Linux Kernel 5.11-5.15.63, 5.16-5.19.4, 6.0 - Module Reference Underflow in Netfilter nf_tables Error Path

Title source: llm

Description

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.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/b59bee8b05b0e789b5a298cacb09e8aaa3367a29

Patch

https://git.kernel.org/stable/c/1e52e6cfec6342c3d0df47dc3a76724fb3dabf56

Patch

https://git.kernel.org/stable/c/c485c35ff6783ccd12c160fcac6a0e504e83e0bf

Scores

CVSS v3 5.5

EPSS 0.0016

EPSS Percentile 5.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published

Products (12)

linux/Kernel 5.11.0 - 5.15.63linux

linux/Kernel 5.16.0 - 5.19.4linux

Linux/Linux < 5.11

Linux/Linux 5.11

Linux/Linux 5.15.63 - 5.15.*

Linux/Linux 5.19.4 - 5.19.*

Linux/Linux 6.0

Linux/Linux 8cfd9b0f8515e7c361bba27e2a2684cbd427fe01 - 1e52e6cfec6342c3d0df47dc3a76724fb3dabf56

Linux/Linux 8cfd9b0f8515e7c361bba27e2a2684cbd427fe01 - b59bee8b05b0e789b5a298cacb09e8aaa3367a29

Linux/Linux 8cfd9b0f8515e7c361bba27e2a2684cbd427fe01 - c485c35ff6783ccd12c160fcac6a0e504e83e0bf

... and 2 more

Published Jun 18, 2025

Tracked Since Feb 18, 2026