usb: host: ohci-tmio: check return value after calling platform_get_resource()
Priority LOW 24CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00227 13th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.4.293, 4.9.291, 4.14.256 +5
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.28 and later | 4.4.293, 4.9.291, 4.14.256, 4.19.218, 5.4.162, 5.10.82, 5.15.5, 5.16 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.28 and later Fixed in 4.4.293, 4.9.291, 4.14.256, 4.19.218, 5.4.162, 5.10.82, 5.15.5, 5.16 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.4.293; 4.5 to before 4.9.291; 4.10 to before 4.14.256; 4.15 to before 4.19.218; 4.20 to before 5.4.162; 5.5 to before 5.10.82; 5.11 to before 5.15.5 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.4.293; 4.5 to before 4.9.291; 4.10 to before 4.14.256; 4.15 to before 4.19.218; 4.20 to before 5.4.162; 5.5 to before 5.10.82; 5.11 to before 5.15.5 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.4.293, 4.9.291, 4.14.256, 4.19.218, 5.4.162, 5.10.82, 5.15.5, 5.16
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-47206
- 2026-10-03 Alias added: GHSA-rh38-52q8-4ffc
References
Patch 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
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2021-47206 · CVE Program
- CVE-2021-47206 · NVD
- FIRST EPSS
- GHSA-rh38-52q8-4ffc · GitHub Advisory Database · CC BY 4.0
- CVE-2021-47206 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences