CVE Database›CVE-2025-40176

CVE-2025-40176

kernel: tls: wait for pending async decryptions if tls_strp_msg_hold fails

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Severity

Moderate

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · November 12, 2025

Updated · July 30, 2026

Description

A vulnerability was found in tls_decrypt_sg in net/tls/tls_sw.c in networking subsystem in the Linux Kernel.In this flaw, If it fails to clone of the input skb to hold the reference to the memory it uses may lead a use-after-free.

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

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

CVSS / CWE

CVSS 3.1 · 7.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

CWE-825 · Expired Pointer Dereference