CVE

CVE-2021-46908

Severity:
MEDIUM
Type:
Unavailable / Other
Publication date:
27/02/2024
Last modified:
17/04/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> bpf: Use correct permission flag for mixed signed bounds arithmetic<br /> <br /> We forbid adding unknown scalars with mixed signed bounds due to the<br /> spectre v1 masking mitigation. Hence this also needs bypass_spec_v1<br /> flag instead of allow_ptr_leaks.

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:*:*:*:*:*:*:*:* 5.8.0 (including) 5.10.32 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11.0 (including) 5.11.16 (excluding)

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


References to Advisories, Solutions, and Tools