Bug 2546423 (CVE-2026-98308) - CVE-2026-98308 kernel: ALSA: hda: trace PCM open only after assigning a stream
Summary: CVE-2026-98308 kernel: ALSA: hda: trace PCM open only after assigning a stream
Keywords:
Status: NEW
Alias: CVE-2026-98308
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-06 09:18 UTC by OSIDB Bzimport
Modified: 2026-10-11 05:06 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-10-06 09:18:44 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ALSA: hda: trace PCM open only after assigning a stream

Stream assignment can fail when hardware streams are exhausted.
Move the tracepoint after the NULL check because its payload accesses
the assigned stream tag.

Detected by static analysis and reviewed with AI-assisted source auditing.
Comment 1 gkamathe 2026-10-11 04:58:34 UTC 
Upstream advisory:
https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98308.mbox
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