Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-46943

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
27/02/2024
Last modified:
10/04/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> media: staging/intel-ipu3: Fix set_fmt error handling<br /> <br /> If there in an error during a set_fmt, do not overwrite the previous<br /> sizes with the invalid config.<br /> <br /> Without this patch, v4l2-compliance ends up allocating 4GiB of RAM and<br /> causing the following OOPs<br /> <br /> [ 38.662975] ipu3-imgu 0000:00:05.0: swiotlb buffer is full (sz: 4096 bytes)<br /> [ 38.662980] DMA: Out of SW-IOMMU space for 4096 bytes at device 0000:00:05.0<br /> [ 38.663010] general protection fault: 0000 [#1] PREEMPT SMP

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:*:*:*:*:*:*:*:* 5.2.0 (including) 5.4.118 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5.0 (including) 5.10.36 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11.0 (including) 5.11.20 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.12.0 (including) 5.12.3 (excluding)

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


References to Advisories, Solutions, and Tools