powerpc/iommu: Add missing of_node_put in iommu_init_early_dart
Priority LOW 24Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Add missing of_node_put in iommu_init_early_dart The device_node pointer is returned by of_find_compatible_node with refcount incremented. We should use of_node_put() to avoid the refcount leak.
Why it matters now
EPSS 0.00269 19th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 5.4.198, 5.10.121, 5.15.46 +3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 2.6.12 and later | 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.12 and later Fixed in 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 5.4.198; 5.5 to before 5.10.121; 5.11 to before 5.15.46; 5.16 to before 5.17.14; 5.18 to before 5.18.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.4.198; 5.5 to before 5.10.121; 5.11 to before 5.15.46; 5.16 to before 5.17.14; 5.18 to before 5.18.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- 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-2022-49431
- 2026-10-03 Alias added: GHSA-6wfg-5ppq-7m59
References
Patch 6
- https://git.kernel.org/stable/c/cb4f2dc513e99c5d0485661f114e4dda73612d10
- https://git.kernel.org/stable/c/dfc308d6f29aa28463deb9a12278a85a382385ca
- https://git.kernel.org/stable/c/df6d8b689252c0acc0448d4ae3d33f2d6db048ab
- https://git.kernel.org/stable/c/8657e8ea23325949091da72453ba84fb73cc2bd9
- https://git.kernel.org/stable/c/7e3f1dfb9e21733d7276bc9ccea4daada163f2ba
- https://git.kernel.org/stable/c/57b742a5b8945118022973e6416b71351df512fb
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Sources
- CVE-2022-49431 · CVE Program
- CVE-2022-49431 · NVD
- FIRST EPSS
- GHSA-6wfg-5ppq-7m59 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49431 · Red Hat security data · CC BY 4.0
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