Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2022-48904

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
22/08/2024
Last modified:
12/09/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> iommu/amd: Fix I/O page table memory leak<br /> <br /> The current logic updates the I/O page table mode for the domain<br /> before calling the logic to free memory used for the page table.<br /> This results in IOMMU page table memory leak, and can be observed<br /> when launching VM w/ pass-through devices.<br /> <br /> Fix by freeing the memory used for page table before updating the mode.

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:*:*:*:*:*:*:*:* 5.12 (including) 5.15.27 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 5.16.13 (excluding)
cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools