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CVE-2025-38629

ALSA: usb: scarlett2: Fix missing NULL check

MEDIUM
5.5
CVSS Score
Published: August 22, 2025 at 04:00 PM UTC
Updated: June 17, 2026 at 09:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb: scarlett2: Fix missing NULL check scarlett2_input_select_ctl_info() sets up the string arrays allocated via kasprintf(), but it misses NULL checks, which may lead to NULL dereference Oops. Let's add the proper NULL check.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.13 ≤ v < 6.15.106.13 ≤ v < 6.16.16.13 ≤ v < 6.176.16 ≤ v < 6.16.16.138eba063b5b2b498ddd01ea6f29fc9b12368c3d53
Vendor states this is fixed in 2c735fcaee81ad8056960659dc9dc460891e76b0 (fixed)
Vendor states this is fixed in d558db85920b124bac36f8a7ddc5de0aa7491bdd (fixed)
Vendor states this is fixed in df485a4b2b3ee5b35c80f990beb554e38a8a5fb1 (fixed)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.15.10 (unaffected)
Vendor states this is fixed in 6.16.1 (unaffected)
Vendor states this is fixed in 6.17 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2c735fcaee81ad8056960659dc9dc460891e76b0
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d558db85920b124bac36f8a7ddc5de0aa7491bdd
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/df485a4b2b3ee5b35c80f990beb554e38a8a5fb1

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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