CVE Database›Document archive›CVE-2024-36904

CVE-2024-36904

kernel: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique().

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Severity

Moderate

Red Hat Product Security

7

CVSS 3.1

Review impact separately from score.

Published · May 30, 2024

Updated · August 5, 2026

Description

A use-after-free flaw was found in the Linux kernel’s TCP protocol in how a local user triggers a complex race condition during connection to the socket. This flaw allows a local user to crash or potentially escalate their privileges on the system.

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

CWE-416 · Use After Free