{"id":"RLSA-2021:4191","summary":"Moderate: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update","details":"Kernel-based Virtual Machine (KVM) offers a full virtualization solution for Linux on numerous hardware platforms. The virt:Rocky Linux module contains packages which provide user-space components used to run virtual machines using KVM. The packages also provide APIs for managing and interacting with the virtualized systems.\n\nSecurity Fix(es):\n\n* QEMU: net: e1000e: use-after-free while sending packets (CVE-2020-15859)\n\n* QEMU: slirp: invalid pointer initialization may lead to information disclosure (bootp) (CVE-2021-3592)\n\n* QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp6) (CVE-2021-3593)\n\n* QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp) (CVE-2021-3594)\n\n* QEMU: slirp: invalid pointer initialization may lead to information disclosure (tftp) (CVE-2021-3595)\n\n* libvirt: Insecure sVirt label generation (CVE-2021-3631)\n\n* libvirt: Improper locking on ACL failure in virStoragePoolLookupByTargetPath API (CVE-2021-3667)\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":"2026-02-05T11:15:03.005799Z","published":"2021-11-09T08:35:34Z","upstream":["CVE-2020-15859","CVE-2021-3592","CVE-2021-3593","CVE-2021-3594","CVE-2021-3595","CVE-2021-3631","CVE-2021-3667"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4191"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1855250"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1859168"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1929357"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1932823"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1933640"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1934509"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1939418"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1942805"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1961562"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967329"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967496"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967716"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1967914"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1969848"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1970484"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1970487"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1970489"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1970491"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1977726"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1982134"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1986094"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1994041"}],"affected":[{"package":{"name":"hivex","ecosystem":"Rocky 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