drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs()

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Linux Distros Unpatched Vulnerability : CVE-2026-46209

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - drm/gem: Fix inconsistent plane dimension calculation in drmgemfbinitwithfuncs drmgemfbinitwithfuncs computes sub-sampled plane dimensions using plain integer...

CVE-2026-46209

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Fix inconsistent plane dimension calculation in drmgemfbinitwithfuncs drmgemfbinitwithfuncs computes sub-sampled plane dimensions using plain integer division: unsigned int width = modecmd-width / i ? info-hsub : 1;...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from inconsistent calculations of plane dimensions in the drm/gem mechanism. This vulnerability may lead to...