drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
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 · CISA ADP. Fix status from CNA. Impact type from CWE-476.
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/rockchip: vop: fix possible null-ptr-deref in vop_bind() It will cause null-ptr-deref in resource_size(), if platform_get_resource() returns NULL, move calling resource_size() after devm_ioremap_resource() that will check 'res' to avoid null-ptr-deref.
Why it matters now
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 | 3.19 and later | 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 3.19 and later Fixed in 4.9.318, 4.14.283, 4.19.247, 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:*:*:*:*:*:*:*:* | 3.19 to before 4.9.318; 4.10 to before 4.14.283; 4.15 to before 4.19.247; 4.20 to 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 3.19 to before 4.9.318; 4.10 to before 4.14.283; 4.15 to before 4.19.247; 4.20 to 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 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2022-49491
- 2026-10-03 Alias added: GHSA-f83p-7qxr-cxpg
References
Patch 9
- https://git.kernel.org/stable/c/452922955df215a417c80d09dab72bbc667a1861
- https://git.kernel.org/stable/c/fcd6a886443730c39170b8383411e52118aec0a3
- https://git.kernel.org/stable/c/6ff986e057bf28e2f7690dad410768b2270f9453
- https://git.kernel.org/stable/c/a9b4599665e437de8a1152799c34841b799a2e1c
- https://git.kernel.org/stable/c/3451852312303d54a003c73bd0ae39cebb960bd5
- https://git.kernel.org/stable/c/b54926bd558d97c888c3d2d87886f3c159d3254a
- https://git.kernel.org/stable/c/769c53bb6116d0eaec0f1fe4ec4b27a74465cad1
- https://git.kernel.org/stable/c/ecfa52654d0c9c333c1fe1611f47105f6bce9591
- https://git.kernel.org/stable/c/f8c242908ad15bbd604d3bcb54961b7d454c43f8
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Sources
- CVE-2022-49491 · CVE Program
- CVE-2022-49491 · NVD
- FIRST EPSS
- GHSA-f83p-7qxr-cxpg · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49491 · Red Hat security data · CC BY 4.0
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