CVE-2021-47206
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: usb: host: ohci-tmio: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
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
EPSS Trends
Current EPSS score: 0.23%• Percentile: 14%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.84-1 | < 5.15.5-1 | < 5.15.5-1 | < 5.15.5-1
- ubuntu•linux
all | < 4.15.0-167.175 | < 5.4.0-97.110
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
all | < 4.15.0-1119.127 | < 5.4.0-1064.67
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1064.67~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-fips
< 4.15.0-2060.62 | all | < 5.4.0-1069.73+fips2
- ubuntu•linux-aws-hwe
< 4.15.0-1119.126~16.04.2
- ubuntu•linux-azure
< 4.15.0-1130.143~14.04.1 | < 4.15.0-1130.143~16.04.1 | all | < 5.4.0-1068.71
- ubuntu•linux-azure-4.15
< 4.15.0-1131.144
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1068.71~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 4.15.0-2042.46 | all | < 5.4.0-1073.76+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1026.29
- ubuntu•linux-fips
all | < 4.15.0-1076.85 | < 5.4.0-1041.47
- ubuntu•linux-gcp
< 4.15.0-1115.129~16.04.1 | all | < 5.4.0-1063.67
- ubuntu•linux-gcp-4.15
< 4.15.0-1115.129
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1063.67~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-fips
< 4.15.0-2025.27 | all | < 5.4.0-1067.71~20.04.1
- ubuntu•linux-gke
all
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1032.33
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
< 4.15.0-167.175~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
Showing first 50 affected entries in server-rendered view.
References (12)
- https://git.kernel.org/stable/c/28e016e02118917e50a667bc72fb80098cf2b460
- https://git.kernel.org/stable/c/2f18f97a1a787154a372c0738f1576f14b693d91
- https://git.kernel.org/stable/c/bb6ed2e05eb6e8619b30fa854f9becd50c11723f
- https://git.kernel.org/stable/c/951b8239fd24678b56c995c5c0456ab12e059d19
- https://git.kernel.org/stable/c/f98986b7acb4219f95789095eced93ed69d81d35
- https://git.kernel.org/stable/c/2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100
- https://git.kernel.org/stable/c/065334f6640d074a1caec2f8b0091467a22f9483
- https://git.kernel.org/stable/c/9eff2b2e59fda25051ab36cd1cb5014661df657b
- https://ubuntu.com/security/CVE-2021-47206
- https://git.kernel.org/linus/9eff2b2e59fda25051ab36cd1cb5014661df657b
- https://www.cve.org/CVERecord?id=CVE-2021-47206
- https://security-tracker.debian.org/tracker/CVE-2021-47206