CVE-2021-47478

Severity CVSS v4.0:

Pending analysis

Type:

CWE-125 Out-of-bounds Read

Publication date:

22/05/2024

Last modified:

02/04/2025

Description

In the Linux kernel, the following vulnerability has been resolved: isofs: Fix out of bound access for corrupted isofs image When isofs image is suitably corrupted isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N 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:H/I:N/A:N

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

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::::::::		4.4.292 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.5 (including)	4.9.290 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.255 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.217 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.159 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.79 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.14.18 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.15 (including)	5.15.2 (excluding)

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

CVE-2021-47478

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools