CVE-2022-50048 Information

Jun 19, 2025 cve

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.

Reference

https://git.kernel.org/stable/c/1e52e6cfec6342c3d0df47dc3a76724fb3dabf56 https://git.kernel.org/stable/c/b59bee8b05b0e789b5a298cacb09e8aaa3367a29 https://git.kernel.org/stable/c/c485c35ff6783ccd12c160fcac6a0e504e83e0bf

CNNVD-202506-2330 (Published: 2025-06-18)

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