Integer overflow in Linux Kernel

CVE-2017-7542

The ip6_find_1stfragopt function in net/ipv6/output_core.c in the Linux kernel through 4.12.3 allows local users to cause a denial of service (integer overflow and infinite loop) by leveraging the ability to open a raw socket.

Vulnerability class: Integer Overflow

EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux Linux_kernel
  • N/a Linux Kernel Versions Up To And Including 4.12 — versions Linux kernel versions up to and including 4.12

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7542?
CVE-2017-7542 is a medium-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2017-07-21.
How severe is CVE-2017-7542?
Medium severity. CVSS v3 base score is 5.5 out of 10.