CVE-2021-45485

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Summary:

In the IPv6 implementation in the Linux kernel before 5.13.3, net/ipv6/output_core.c has an information leak because of certain use of a hash table which, although big, doesn’t properly consider that IPv6-based attackers can typically choose among many IPv6 source addresses.

Reference Links(if available):

  • https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.3
  • https://arxiv.org/pdf/2112.09604.pdf
  • https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=62f20e068ccc50d6ab66fdb72ba90da2b9418c99
  • CVSS Score (if available)

    v2: / MEDIUM

    v3: /

    Links to Exploits(if available)