CVE-2023-54284

kernel: media: av7110: prevent underflow in write_ts_to_decoder()

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Severity

Moderate

Red Hat Product Security

6.3

CVSS 3.1

Review impact separately from score.

Published · December 30, 2025

Updated · October 20, 2026

Description

A flaw was found in the Linux kernel av7110 DVB driver. write_ts_to_decoder() subtracts a user-supplied byte from the transport-stream length and can underflow. A local user of that playback interface can pass a wrapped length into the repacker.

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 · 6.3
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

CWE-191 · Integer Underflow (Wrap or Wraparound)