MediumFix available
drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
Type: advisorySources: OSV
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.283, 4.19.247, 4.9.318, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.4.198
- CVEs
- CVE-2022-49491
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 6 Nov 2026, 18:25 UTC · Revision 1
Source evidence
drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
core-osv · Original sourcePublished 26 Feb 2025, 02:13 UTC
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.
osv:CVE-2022-49491
Kernel
Fixed versions: 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2022-49491",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()",
"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.",
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"modified": "2026-10-28T02:30:47.858585874Z",
"provider": "osv",
"references": [
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"https://nvd.nist.gov/vuln/detail/CVE-2022-49491",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"source_id": "core-osv",
"document_id": 515877,
"published_at": "2025-02-26T02:13:28.158+00:00"
}