Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.11, < 5.15.63 |
References
- https://git.kernel.org/stable/c/1e52e6cfec6342c3d0df47dc3a76724fb3dabf56Patch
- https://git.kernel.org/stable/c/b59bee8b05b0e789b5a298cacb09e8aaa3367a29Patch
- https://git.kernel.org/stable/c/c485c35ff6783ccd12c160fcac6a0e504e83e0bfPatch
FAQ
What is CVE-2022-50048?
CVE-2022-50048 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2022-50048?
CVE-2022-50048 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-50048?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.