CVE-2026-46037

In the Linux kernel, the following vulnerability has been resolved: ipv4: icmp: validate reply type before using icmp_pointers Extended echo replies use ICMP_EXT_ECHOREPLY as the outbound reply type. That value is outside the range covered by icmp_pointers[], which only describes the traditional ICMP types up to NR_ICMP_TYPES. Avoid consulting icmp_pointers[] for reply types outside that range, and use array_index_nospec() for the remaining in-range lookup. Normal ICMP replies keep their existing behavior unchanged.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

19 Oct 2026, 20:18

Type Values Removed Values Added
CWE CWE-125

15 Oct 2026, 02:19

Type Values Removed Values Added
References
  • () https://cert-portal.siemens.com/productcert/html/ssa-457936.html -
  • () https://cert-portal.siemens.com/productcert/html/ssa-784472.html -

Information

Published : 2026-05-27 14:17

Updated : 2026-10-19 20:18


NVD link : CVE-2026-46037

Mitre link : CVE-2026-46037

CVE.ORG link : CVE-2026-46037


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo CWE-125

Out-of-bounds Read