CVE-2024-26668

netfilter: nft_limit: reject configurations that cause integer overflow

MEDIUM

5.5

CVSS Score

Published: April 2, 2024 at 06:43 AM UTC

Updated: June 17, 2026 at 07:18 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.3 ≤ v < 5.15.1494.3 ≤ v < 6.1.764.3 ≤ v < 6.6.154.3 ≤ v < 6.7.34.3 ≤ v < 6.85.16 ≤ v < 6.1.766.2 ≤ v < 6.6.156.7 ≤ v < 6.7.36.8 rc1d2168e849ebf617b2b7feae44c0c0baf739cb610

Vendor states this is fixed in 00c2c29aa36d1d1827c51a3720e9f893a22c7c6a (fixed)

Vendor states this is fixed in 79d4efd75e7dbecd855a3b8a63e65f7265f466e1 (fixed)

Vendor states this is fixed in 9882495d02ecc490604f747437a40626dc9160d0 (fixed)

Vendor states this is fixed in bc6e242bb74e2ae616bfd2b250682b738e781c9b (fixed)

Vendor states this is fixed in c9d9eb9c53d37cdebbad56b91e40baf42d5a97aa (fixed)

Vendor states this is fixed in 4.3 (unaffected)

Vendor states this is fixed in 5.15.149 (unaffected)

Vendor states this is fixed in 6.1.76 (unaffected)

Vendor states this is fixed in 6.6.15 (unaffected)

Vendor states this is fixed in 6.7.3 (unaffected)

Vendor states this is fixed in 6.8 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references