{"id":"OESA-2023-1838","summary":"shim security update","details":"Initial UEFI bootloader that handles chaining to a trusted full \\ bootloader under secure boot environments.\r\n\r\nSecurity Fix(es):\r\n\r\nA vulnerability classified as critical has been found in rhboot shim up to 15.7 on ARM. This affects the function mirror_one_esl of the file mok.c of the component mok. Applying the patch 66e6579dbf921152f647a0c16da1d3b2f40861ca is able to eliminate this problem. The bugfix is ready for download at github.com.(CVE-2023-40546)","modified":"2026-03-11T06:34:59.516601Z","published":"2023-11-17T11:06:19Z","upstream":["CVE-2023-40546"],"database_specific":{"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1838"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40546"}],"affected":[{"package":{"name":"shim","ecosystem":"openEuler:22.03-LTS-SP2","purl":"pkg:rpm/openEuler/shim&distro=openEuler-22.03-LTS-SP2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.6-12.oe2203sp2"}]}],"ecosystem_specific":{"src":["shim-15.6-12.oe2203sp2.src.rpm"],"noarch":["shim-debugsource-15.6-12.oe2203sp2.noarch.rpm","shim-debuginfo-15.6-12.oe2203sp2.noarch.rpm"],"aarch64":["shim-15.6-12.oe2203sp2.aarch64.rpm"],"x86_64":["shim-15.6-12.oe2203sp2.x86_64.rpm"]},"database_specific":{"source":"https://repo.openeuler.org/security/data/osv/OESA-2023-1838.json"}}],"schema_version":"1.7.5"}