CVE-2021-47206

usb: host: ohci-tmio: check return value after calling platform_get_resource()

MEDIUM
5.5
CVSS Score
Published: April 10, 2024 at 06:56 PM UTC
Updated: June 17, 2026 at 04:16 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.4.2932.6.28 ≤ v < 4.14.2562.6.28 ≤ v < 4.19.2182.6.28 ≤ v < 4.4.2932.6.28 ≤ v < 4.9.2912.6.28 ≤ v < 5.10.822.6.28 ≤ v < 5.15.52.6.28 ≤ v < 5.162.6.28 ≤ v < 5.4.1624.10 ≤ v < 4.14.2564.15 ≤ v < 4.19.2184.20 ≤ v < 5.4.1624.5 ≤ v < 4.9.2915.11 ≤ v < 5.15.55.5 ≤ v < 5.10.822.6.2878c73414f4f6744e2ea5a07b263a9698aa6f2416
Vendor states this is fixed in 065334f6640d074a1caec2f8b0091467a22f9483 (fixed)
Vendor states this is fixed in 2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100 (fixed)
Vendor states this is fixed in 28e016e02118917e50a667bc72fb80098cf2b460 (fixed)
Vendor states this is fixed in 2f18f97a1a787154a372c0738f1576f14b693d91 (fixed)
Vendor states this is fixed in 951b8239fd24678b56c995c5c0456ab12e059d19 (fixed)
Vendor states this is fixed in 9eff2b2e59fda25051ab36cd1cb5014661df657b (fixed)
Vendor states this is fixed in bb6ed2e05eb6e8619b30fa854f9becd50c11723f (fixed)
Vendor states this is fixed in f98986b7acb4219f95789095eced93ed69d81d35 (fixed)
Vendor states this is fixed in 2.6.28 (unaffected)
Vendor states this is fixed in 4.14.256 (unaffected)
Vendor states this is fixed in 4.19.218 (unaffected)
Vendor states this is fixed in 4.4.293 (unaffected)
Vendor states this is fixed in 4.9.291 (unaffected)
Vendor states this is fixed in 5.10.82 (unaffected)
Vendor states this is fixed in 5.15.5 (unaffected)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 5.4.162 (unaffected)

References (8)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/065334f6640d074a1caec2f8b0091467a22f9483
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2474eb7fc3bfbce10f7b8ea431fcffe5dd5f5100
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/28e016e02118917e50a667bc72fb80098cf2b460
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2f18f97a1a787154a372c0738f1576f14b693d91
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/951b8239fd24678b56c995c5c0456ab12e059d19
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9eff2b2e59fda25051ab36cd1cb5014661df657b
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/bb6ed2e05eb6e8619b30fa854f9becd50c11723f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f98986b7acb4219f95789095eced93ed69d81d35

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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