CVE-2022-48819

kernel: tcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY) case

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · July 16, 2024

Updated · February 2, 2026

Description

In the Linux kernel, a vulnerability has been identified related to TCP handling. The issue arises when mixing sendpage() and sendmsg(MSG_ZEROCOPY) calls over the same TCP socket, which can trigger a warning in inet_sock_destruct(). This may lead to synchronization issues.

Statement

This vulnerability is considered to be of Moderate Severity due to very limited exploitability.

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 · 5.3
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H

CWE-99 · Improper Control of Resource Identifiers ('Resource Injection')