Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2024-50080

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
29/10/2024
Last modified:
01/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> ublk: don&amp;#39;t allow user copy for unprivileged device<br /> <br /> UBLK_F_USER_COPY requires userspace to call write() on ublk char<br /> device for filling request buffer, and unprivileged device can&amp;#39;t<br /> be trusted.<br /> <br /> So don&amp;#39;t allow user copy for unprivileged device.

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:*:*:*:*:*:*:*:* 6.5 (including) 6.6.58 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.11.5 (excluding)
cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools