CVE-2026-53225

kernel: sctp: fix uninit-value in __sctp_rcv_asconf_lookup()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · June 25, 2026

Updated · August 5, 2026

Description

A flaw was found in the Linux kernel's Stream Control Transmission Protocol (SCTP) implementation. An unauthenticated remote attacker can exploit this vulnerability by sending a specially crafted, truncated ASCONF (Address Configuration) chunk. This can cause the system to read up to 16 bytes of uninitialized memory, potentially leading to information disclosure or memory corruption.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-130 · Improper Handling of Length Parameter Inconsistency