CVE-2024-26668: netfilter: nft_limit: reject configurations that cause integer overflow
Vulnerability summary
CVE-2024-26668 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.3% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 35 · Related 35Timeline
- 02-04-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu116 products
- linux< 4.4.0-261.295 | < 4.15.0-231.243 | < 5.4.0-200.220 | < 5.15.0-106.116
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1138.144 | < 4.4.0-1176.191 | < 4.15.0-1175.188 | < 5.4.0-1135.145 | < 5.15.0-1061.67
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ d2168e849ebf617b2b7feae44c0c0baf739cb610, < 79d4efd75e7dbecd855a3b8a63e65f7265f466e1 | ≥ d2168e849ebf617b2b7feae44c0c0baf739cb610, < bc6e242bb74e2ae616bfd2b250682b738e781c9b | ≥ d2168e849ebf617b2b7feae44c0c0baf739cb610, < 9882495d02ecc490604f747437a40626dc9160d0 | ≥ d2168e849ebf617b2b7feae44c0c0baf739cb610, < 00c2c29aa36d1d1827c51a3720e9f893a22c7c6a | ≥ d2168e849ebf617b2b7feae44c0c0baf739cb610, < c9d9eb9c53d37cdebbad56b91e40baf42d5a97aa | 4.3
- linux_kernel≥ 4.3, < 5.15.149 | ≥ 5.16, < 6.1.76 | ≥ 6.2, < 6.6.15 | ≥ 6.7, < 6.7.3 | 6.8:rc1
Debian1 product
- linux< 6.1.76-1 | < 6.6.15-1
3 vendors · 119 products
