CVE-2024-26668: netfilter: nft_limit: reject configurations that cause integer overflow

Description

In the Linux kernel, the following vulnerability has been resolved:

netfilter: nft_limit: reject configurations that cause integer overflow

Reject bogus configs where internal token counter wraps around.
This only occurs with very very large requests, such as 17gbyte/s.

Its better to reject this rather than having incorrect ratelimit.

Classification

CVE ID: CVE-2024-26668

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.05% (probability of being exploited)

EPSS Percentile: 17.81% (scored less or equal to compared to others)

EPSS Date: 2025-02-03 (when was this score calculated)

References

https://git.kernel.org/stable/c/79d4efd75e7dbecd855a3b8a63e65f7265f466e1
https://git.kernel.org/stable/c/bc6e242bb74e2ae616bfd2b250682b738e781c9b
https://git.kernel.org/stable/c/9882495d02ecc490604f747437a40626dc9160d0
https://git.kernel.org/stable/c/00c2c29aa36d1d1827c51a3720e9f893a22c7c6a
https://git.kernel.org/stable/c/c9d9eb9c53d37cdebbad56b91e40baf42d5a97aa

Timeline