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VulnerabilityPublished Updated

CVE-2024-47678: Linux kernel · icmp: change the order of rate limits

Source GCVE Database

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Not known to be exploited · CVSS 5.5 Medium.

Data as of 30 Oct 2026, 02:14 UTC

CVSS 3.1 base score
5.5Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

AI-suggested

A patch has been applied to the Linux kernel to reorder the ICMP rate limiting checks and remove the global lock. Users should update their Linux kernel to a version including this fix once available. Since no fixed versions are explicitly stated in the provided data, check the vendor or Linux kernel advisories for the official fixed versions and apply updates accordingly.

Description

CVE-2024-47678 addresses a vulnerability in the Linux kernel's ICMP rate limiting mechanism. The order of applying rate limits was changed to check per-destination limits before host-wide limits to prevent side-channel attacks. The patch also removes a lock to optimize performance. The vulnerability has a medium severity with a CVSS score of 5.5 and does not have known exploits in the wild.

References

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