Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2025-21679

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
31/01/2025
Last modified:
15/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> btrfs: add the missing error handling inside get_canonical_dev_path<br /> <br /> Inside function get_canonical_dev_path(), we call d_path() to get the<br /> final device path.<br /> <br /> But d_path() can return error, and in that case the next strscpy() call<br /> will trigger an invalid memory access.<br /> <br /> Add back the missing error handling for d_path().

Impact

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.12.5 (including) 6.12.11 (excluding)
cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc7:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools