CVE-2023-6200

HIGH 7.5

Kernel: icmpv6 router advertisement packets, aka linux tcp/ip remote code execution vulnerability

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

A race condition was found in the Linux Kernel. Under certain conditions, an unauthenticated attacker from an adjacent network could send an ICMPv6 router advertisement packet, causing arbitrary code execution.

CWE	CWE-362
Vendor	n/a
Product	kernel
Published	Jan 28, 2024
Last Updated	Jun 5, 2025

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CVSS v3 Breakdown

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

n/a / kernel

All versions affected

n/a / kernel

All versions affected

Red Hat / Red Hat Enterprise Linux 6

All versions affected

Red Hat / Red Hat Enterprise Linux 7

All versions affected

Red Hat / Red Hat Enterprise Linux 7

All versions affected

Red Hat / Red Hat Enterprise Linux 8

All versions affected

Red Hat / Red Hat Enterprise Linux 8

All versions affected

Red Hat / Red Hat Enterprise Linux 9

All versions affected

Red Hat / Red Hat Enterprise Linux 9

All versions affected

Red Hat / Red Hat Virtualization 4

All versions affected

Fedora / Fedora

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-6200 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2250377 git.kernel.org: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dade3f6a1e4e

Credits

Red Hat would like to thank Lucas Leong (Trend Micro Zero Day Initiative) for reporting this issue.