CVE-2023-52455

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

23/02/2024

Last modified:

30/04/2024

Description

In the Linux kernel, the following vulnerability has been resolved: iommu: Don&#39;t reserve 0-length IOVA region When the bootloader/firmware doesn&#39;t setup the framebuffers, their address and size are 0 in "iommu-addresses" property. If IOVA region is reserved with 0 length, then it ends up corrupting the IOVA rbtree with an entry which has pfn_hi

Impact

Vector 3.x

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	6.3.0 (including)	6.6.14 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	6.7.0 (including)	6.7.2 (excluding)

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

CVE-2023-52455

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools