Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_rateest: fix u64 truncation in xt_rateest_mt() On links faster than ~34 Gbps, where byte rate may exceed 2^32-1 (~ 4.3 GBps), the comparison result becomes incorrect because the truncated value no longer reflects the actual estimator rate. Fix by changing the local variables to u64.
References
- https://git.kernel.org/stable/c/444853cd438201007da5359821adcc2995655ab1
- https://git.kernel.org/stable/c/5da915fc159c6b4091669447588e520183969cca
- https://git.kernel.org/stable/c/77e9ba358d63fe2eb03c90d29ea85651d95cf2e6
- https://git.kernel.org/stable/c/905a927b2e6fec7b174e9e5644d271047b61378f
- https://git.kernel.org/stable/c/a3ba938f45cb00f6bf49d3aa3647df9b017f5f08
- https://git.kernel.org/stable/c/bab305dd769d78074adca73505cc2509e1206bf2
- https://git.kernel.org/stable/c/d5cc4c12a4b90bf099199c3c49ecda7e694f2a2b
- https://git.kernel.org/stable/c/e702f6dd5d21e331f55fd9168c0210542008546d
FAQ
What is CVE-2026-72349?
CVE-2026-72349 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_rateest: fix u64 truncation in xt_rateest_mt() On links faster than ~34 Gbps, where byte rate may exceed 2^32-1 (~ 4...
How severe is CVE-2026-72349?
CVSS scoring is not yet available for CVE-2026-72349. Check NVD for updates.
Is there a patch for CVE-2026-72349?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.