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: 0.01%• Percentile: 3%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux
≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < 28e016e02118917e50a667bc72fb80098cf2b460 | ≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < 2f18f97a1a787154a372c0738f1576f14b693d91 | ≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < bb6ed2e05eb6e8619b30fa854f9becd50c11723f | ≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < 951b8239fd24678b56c995c5c0456ab12e059d19 | ≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < f98986b7acb4219f95789095eced93ed69d81d35 | ≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < 2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100 | ≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < 065334f6640d074a1caec2f8b0091467a22f9483 | ≥ 78c73414f4f6744e2ea5a07b263a9698aa6f2416, < 9eff2b2e59fda25051ab36cd1cb5014661df657b | 2.6.28
- linux•linux_kernel
< 4.4.293 | ≥ 4.5, < 4.9.291 | ≥ 4.10, < 4.14.256 | ≥ 4.15, < 4.19.218 | ≥ 4.20, < 5.4.162 | ≥ 5.5, < 5.10.82 | ≥ 5.11, < 5.15.5
References (8)
- 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