CVE-2026-68223

The CVE covers a Linux kernel fix in media: meson: vdec where vdec_open() previously skipped releasing the m2m context when vdec_init_ctrls() failed, causing a memory/resource leak. The patch adds an explicit err_m2m_ctx_release path that calls v4l2_m2m_ctx_release(sess->m2m_ctx) before releas...