CVE-2026-46049

kernel: ALSA: ctxfi: Add fallback to default RSR for S/PDIF

Loading…

Severity

Low

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 27, 2026

Updated · July 3, 2026

Description

A flaw was found in the ALSA (Advanced Linux Sound Architecture) ctxfi driver in the Linux kernel. When processing S/PDIF (Sony/Philips Digital Interface Format) passthrough playback at 32000 Hz, a missing update to the pll_rate can cause an infinite loop. This can lead to a denial of service (DoS) for a local user.

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 · 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-1095 · Loop Condition Value Update within the Loop