{"id":"RLSA-2021:4198","summary":"Moderate: edk2 security, bug fix, and enhancement update","details":"EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. \n\nThe following packages have been upgraded to a later upstream version: edk2 (20210527gite1999b264f1f). (BZ#1846481, BZ#1938238)\n\nSecurity Fix(es):\n\n* openssl: integer overflow in CipherUpdate (CVE-2021-23840)\n\n* openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.","modified":"2026-02-04T17:45:04.561959Z","published":"2021-11-09T08:37:02Z","upstream":["CVE-2021-23840","CVE-2021-23841"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4198"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1930310"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1930324"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1937564"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1938238"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1938257"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1956837"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1988762"}],"affected":[{"package":{"name":"edk2","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/edk2?distro=rocky-linux-8-5-x86-64-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:20210527gite1999b264f1f-3.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4198.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}