{"id":"RHSA-2021:2563","summary":"Red Hat Security Advisory: kpatch-patch security update","modified":"2026-02-19T10:03:45Z","published":"2024-09-13T20:27:48Z","upstream":["CVE-2021-33034"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2021:2563"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1961305"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2563.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-33034"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2021-33034"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33034"},{"type":"ARTICLE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5c4c8c9544099bb9043a10a5318130a943e32fc3"},{"type":"ARTICLE","url":"https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-hci_send_acl"},{"type":"ARTICLE","url":"https://syzkaller.appspot.com/bug?id=2e1943a94647f7732dd6fc60368642d6e8dc91b1"}],"affected":[{"package":{"name":"kpatch-patch-4_18_0-305","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-305"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2563.json"}},{"package":{"name":"kpatch-patch-4_18_0-305-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-305-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2563.json"}},{"package":{"name":"kpatch-patch-4_18_0-305-debugsource","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-305-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2563.json"}},{"package":{"name":"kpatch-patch-4_18_0-305_3_1","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-305_3_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-1.el8_4"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2563.json"}},{"package":{"name":"kpatch-patch-4_18_0-305_3_1-debuginfo","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-305_3_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-1.el8_4"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2563.json"}},{"package":{"name":"kpatch-patch-4_18_0-305_3_1-debugsource","ecosystem":"Red Hat:enterprise_linux:8::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-305_3_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-1.el8_4"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2563.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}