CVE-2022-48979
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: fix array index out of bound error in DCN32 DML [Why&How] LinkCapacitySupport array is indexed with the number of voltage states and not the number of max DPPs. Fix the error by changing the array declaration to use the correct (larger) array size of total number of voltage states.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Trends
Current EPSS score: 0.21%• Percentile: 12%
Techniques & Countermeasures
- CWE-129•Improper Validation of Array Index
The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.
Affected Systems
- debian•linux
< 6.1.4-1 | < 6.1.4-1 | < 6.1.4-1
- ubuntu•linux
all | all
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | all
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
all
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-fips
all
- ubuntu•linux-aws-hwe
all
- ubuntu•linux-azure
all | all | all
- ubuntu•linux-azure-4.15
all
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
all
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | all
- ubuntu•linux-azure-fde-5.15
all
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
all
- ubuntu•linux-bluefield
all | all
- ubuntu•linux-fips
all
- ubuntu•linux-gcp
all | all | all
- ubuntu•linux-gcp-4.15
all
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
all
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
all
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-fips
all
- ubuntu•linux-gke
all | all
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
Showing first 50 affected entries in server-rendered view.
References (6)
- https://git.kernel.org/stable/c/3d8a298b2e83b98042e6ec726e934f535b23e6aa
- https://git.kernel.org/stable/c/aeffc8fb2174f017a10df114bc312f899904dc68
- https://ubuntu.com/security/CVE-2022-48979
- https://www.cve.org/CVERecord?id=CVE-2022-48979
- https://git.kernel.org/linus/aeffc8fb2174f017a10df114bc312f899904dc68
- https://security-tracker.debian.org/tracker/CVE-2022-48979