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Linux EUVDEUVD-2026-101077

| CVE-2026-98428
2026-10-14 Linux GHSA-xcw2-5vfj-h3fm
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Awaiting Data No severity or threat signals available yet. Label will update when CVSS score is published or threat intelligence arrives. Why: No CVSS yet + weak signal (CWE or non-zero EPSS).
Patch available 0.2% exploitation probability (EPSS)

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AnalysisCVE.org

In the Linux kernel, the following vulnerability has been resolved:

ALSA: usb: 6fire: Avoid embedded URBs

The USB 6fire driver uses URBs embedded in different structs for PCM, MIDI and communication, and this is basically a buggy implementation nowadays; since a URB is managed with a refcount, this may lead to a UAF when the URB is released asynchronously.

For addressing the problem, this patch converts those embedded URBs to ones that are properly allocated via usb_alloc_urb(). The pcm_urb.packets[] is gone, as it's allocated by usb_alloc_urb(), hence it's found in urb.iso_frame_desc[] instead.

The conversions are rather straightforward; each embedded struct urb is changed to a pointer, and its callers are updated accordingly. The resource for those structs are released in the common destructor functions (usb6fire_comm_free(), etc), which are called at both the init error path and the disconnect.

No functional changes, only compile-tested.

Affected VersionsENISA

Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <52a43c2d57e774489ac3fbbac06ff02f19bd9a52
Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d181434549b3da668110a25d743848cce9897f4e
Linux 0 <6.18.54
Linux 0 <6.6.158
Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <3ef9093d83ffecb8e5f6c9d5769a52d39df74f7a
Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8b8559aeaba2e51cfee1779b2383b085991f7d81
Linux patch: 7.3-rc3
Linux 0 <6.12.112
Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <999f433c09e4668412bd68ca207ae2b4af863862
Linux 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <9fe49dbc023e82dfaee7b245997d820d01742a9a
Linux patch: 7.2.8
Linux patch: 6.1.189
Linux 0 <7.2.8
Linux patch: 6.6.158
Linux 0 <6.1.189
Linux patch: 6.12.112
Linux patch: 6.18.54

Affected Packages

euvd linux fix: 6.1.189, 6.6.158, 6.12.112, 6.18.54, 7.2.8

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Lifecycle Timeline

2
Patch available
Oct 14, 2026 - 15:03 EUVD
CVE Published
Oct 14, 2026 - 13:27 cve.org
UNKNOWN (no severity yet)

Threat Intelligence Overview

EPSS Score
0.2%
Top 89% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity Not scored yet
CISA KEV No
Public POC No
EPSS 0.2%
Patch available Yes
Active threat No
Deciding rule
No CVSS yet + weak signal (CWE or non-zero EPSS)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

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