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CVE-2026-53224

kernel: sctp: validate embedded INIT chunk and address list lengths in cookie

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · June 25, 2026

Updated · November 4, 2026

Description

A flaw was found in the Linux kernel's Stream Control Transmission Protocol (SCTP) implementation. Specifically, improper validation of embedded INIT chunk and address list lengths in SCTP cookies could allow a remote attacker to trigger out-of-bounds reads. This could lead to information disclosure or potentially a denial of service (DoS) condition.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE-805 · Buffer Access with Incorrect Length Value