Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-47096

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
04/03/2024
Last modified:
08/04/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ALSA: rawmidi - fix the uninitalized user_pversion<br /> <br /> The user_pversion was uninitialized for the user space file structure<br /> in the open function, because the file private structure use<br /> kmalloc for the allocation.<br /> <br /> The kernel ALSA sequencer code clears the file structure, so no additional<br /> fixes are required.<br /> <br /> BugLink: https://github.com/alsa-project/alsa-lib/issues/178

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.00 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
4.00
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.15 (including) 5.15.12 (excluding)
cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.16:rc6:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools