CVE-2026-72349
CVE-2026-72349: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityMedium5.5
Medium [CVE-2026-72349] fix u64 truncation in xt_rateest_mt
CVE-2026-72349Source published Source updated
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. A flaw was found in the Linux kernel's netfilter component, specifically within the `xt_rateest` module. This vulnerability occurs on network links operating at speeds of approximately 34 Gigabits per second (Gbps) or faster. Due to an integer truncation issue, the system incorrectly calculates the actual network traffic rate. This can lead to inaccurate rate estimations, potentially disrupting network traffic management and…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
2 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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