CVE-2023-3107

Remote denial of service in IPv6 fragment reassembly

State
Published
Severity
7.5 High
Published
Aug 1, 2023
Updated
Jul 9, 2025
Reserved
Jun 5, 2023

Read the record on cve.org

Description

A set of carefully crafted ipv6 packets can trigger an integer overflow in the calculation of a fragment reassembled packet's payload length field. This allows an attacker to trigger a kernel panic, resulting in a denial of service.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCISA-ADP

Weaknesses

  • CWE-190 Integer Overflow or Wraparound

Affected Products

ProductVersions
FreeBSDFreeBSD
  • 13.2-RELEASE to before 13.2-RELEASE-p2Affected
  • 13.1-RELEASE to before 13.1-RELEASE-p9Affected
  • 12.4-RELEASE to before 12.4-RELEASE-p4Affected

References

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