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Watch card · compiled automatically, not analysed

CVE-2026-99999

In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum…

AI summaryLinux kernel IPv4 stack didn't validate checksum_start; packets with bad checksum metadata could corrupt the network header.

Our research pipeline compiles this page from public data. It contains no human judgement from PlainCVE; rely on the original advisories for facts.

Our status

Candidate — Not queued for research yet. Below is public data only.

Key numbers

CVSS
9.3 v3.1
CISA KEV
Not listed
EPSS
0.21%
Momentum
5 Steady

Timeline

  1. 2026-10-15DisclosedNVD
  2. 2026-10-15First reportedoss-security

How much time similar vulnerabilities gave

This item is not mapped to a category yet, so here are the overall numbers: of 390 vulnerabilities disclosed since 2025 and added to KEV, the median time from disclosure to KEV was 5 days; 54% were added within 7 days.

This one: not in KEV so far (that does not mean it is not exploited).

Counts only vulnerabilities CISA has confirmed as exploited; disclosure is the NVD publication date, which can differ from the vendor advisory.

What drives the momentum

Coverage

Primary sources

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