drm/rockchip: vop: fix possible null-ptr-deref in vop_bind()
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/3451852312303d54a003c73bd0ae39cebb960bd5
- https://git.kernel.org/stable/c/452922955df215a417c80d09dab72bbc667a1861
- https://git.kernel.org/stable/c/6ff986e057bf28e2f7690dad410768b2270f9453
- https://git.kernel.org/stable/c/769c53bb6116d0eaec0f1fe4ec4b27a74465cad1
- https://git.kernel.org/stable/c/a9b4599665e437de8a1152799c34841b799a2e1c
- https://git.kernel.org/stable/c/b54926bd558d97c888c3d2d87886f3c159d3254a
- https://git.kernel.org/stable/c/ecfa52654d0c9c333c1fe1611f47105f6bce9591
- https://git.kernel.org/stable/c/f8c242908ad15bbd604d3bcb54961b7d454c43f8
- https://git.kernel.org/stable/c/fcd6a886443730c39170b8383411e52118aec0a3
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49491.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49491