drm/vrr: Set VRR capable prop only if it is attached to connector
In the Linux kernel, the following vulnerability has been resolved: drm/vrr: Set VRR capable prop only if it is attached to connector VRR capable property is not attached by default to the connector It is attached only if VRR is supported. So if the driver tries to call drm core set prop function without it being attached that causes NULL dereference.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/vrr: Set VRR capable prop only if it is attached to connector VRR capable property is not attached by default to the connector It is attached only if VRR is supported. So if the driver tries to call drm core set prop function without it being attached that causes NULL dereference.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0ba557d330946c23559aaea2d51ea649fdeca98a
- https://git.kernel.org/stable/c/3534c5c005ef99a1804ed50b8a72cdae254cabb5
- https://git.kernel.org/stable/c/62929726ef0ec72cbbe9440c5d125d4278b99894
- https://git.kernel.org/stable/c/85271e92ae4f13aa679acaa6cf76b3c36bcb7bab
- https://git.kernel.org/stable/c/941e8bcd2b2ba95490738e33dfeca27168452779
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48843.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-48843