{"id":"OESA-2022-1748","summary":"kernel security update","details":"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)","modified":"2025-09-03T06:17:27.743604Z","published":"2022-07-12T11:03:58Z","upstream":["CVE-2021-33656"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1748"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33656"}],"affected":[{"package":{"name":"kernel","ecosystem":"openEuler:22.03-LTS","purl":"pkg:rpm/openEuler/kernel&distro=openEuler-22.03-LTS"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.10.0-60.43.0.72.oe2203"}]}],"ecosystem_specific":{"src":["kernel-5.10.0-60.43.0.72.oe2203.src.rpm"],"aarch64":["python3-perf-debuginfo-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-debuginfo-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-devel-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-debugsource-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-tools-devel-5.10.0-60.43.0.72.oe2203.aarch64.rpm","bpftool-debuginfo-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-tools-debuginfo-5.10.0-60.43.0.72.oe2203.aarch64.rpm","perf-debuginfo-5.10.0-60.43.0.72.oe2203.aarch64.rpm","bpftool-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-headers-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-source-5.10.0-60.43.0.72.oe2203.aarch64.rpm","perf-5.10.0-60.43.0.72.oe2203.aarch64.rpm","python3-perf-5.10.0-60.43.0.72.oe2203.aarch64.rpm","kernel-tools-5.10.0-60.43.0.72.oe2203.aarch64.rpm"],"x86_64":["kernel-tools-5.10.0-60.43.0.72.oe2203.x86_64.rpm","perf-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-tools-devel-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-source-5.10.0-60.43.0.72.oe2203.x86_64.rpm","bpftool-debuginfo-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-debuginfo-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-headers-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-devel-5.10.0-60.43.0.72.oe2203.x86_64.rpm","python3-perf-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-tools-debuginfo-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-debugsource-5.10.0-60.43.0.72.oe2203.x86_64.rpm","bpftool-5.10.0-60.43.0.72.oe2203.x86_64.rpm","perf-debuginfo-5.10.0-60.43.0.72.oe2203.x86_64.rpm","python3-perf-debuginfo-5.10.0-60.43.0.72.oe2203.x86_64.rpm","kernel-5.10.0-60.43.0.72.oe2203.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2022-1748.json"}}],"schema_version":"1.7.3"}