{ "id": "openEuler-SA-2022-1748", "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2022-1748", "title": "An update for kernel is now available for openEuler-22.03-LTS", "severity": "Medium", "description": "The Linux Kernel, the operating system core itself.\r\n\r\nSecurity Fix(es):\n\nUsing the ioctl function to modify the vc_font.height value through PIO_FONT can cause the KASAN: vmalloc-out-of-bounds in sys_imageblit problem. Requires tty group permissions to access the device file /dev/tty1.(CVE-2021-33656)", "cves": [ { "id": "CVE-2021-33656", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33656", "severity": "Medium" } ] }