CVE Database›CVE-2024-47684

CVE-2024-47684

kernel: tcp: check skb is non-NULL in tcp_rto_delta_us()

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · October 21, 2024

Updated · October 29, 2026

Description

A flaw was found in the TCP implementation in the Linux kernel. A NULL pointer dereference can be triggered from the Tail Loss Probe (TLP) path and from the Recent ACKnowledgment (RACK) case, resulting in a denial of service.

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 do not 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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference