{"id":"RHSA-2021:2723","summary":"Red Hat Security Advisory: kpatch-patch security update","modified":"2026-03-11T07:19:49.849215Z","published":"2024-09-13T20:28:16Z","upstream":["CVE-2021-33909"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2021:2723"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"ARTICLE","url":"https://access.redhat.com/security/vulnerabilities/RHSB-2021-006"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1970273"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2723.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-33909"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2021-33909"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33909"},{"type":"ARTICLE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b"},{"type":"ARTICLE","url":"https://www.openwall.com/lists/oss-security/2021/07/20/1"},{"type":"ARTICLE","url":"https://www.qualys.com/2021/07/20/cve-2021-33909/sequoia-local-privilege-escalation-linux.txt"}],"affected":[{"package":{"name":"kpatch-patch-4_18_0-147_24_2","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_24_2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_24_2-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_24_2-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_24_2-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_24_2-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_27_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_27_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_27_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_27_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_27_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_27_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-11.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_32_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_32_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_32_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_32_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_32_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_32_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_34_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_34_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_34_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_34_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_34_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_34_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-9.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_38_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_38_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-8.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_38_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_38_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-8.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_38_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_38_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-8.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_43_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_43_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-6.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_43_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_43_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-6.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_43_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_43_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-6.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_44_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_44_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-5.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_44_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_44_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-5.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_44_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_44_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-5.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_48_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_48_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_48_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_48_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_48_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_48_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-2.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_51_1","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_51_1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-1.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_51_1-debuginfo","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_51_1-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-1.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}},{"package":{"name":"kpatch-patch-4_18_0-147_51_1-debugsource","ecosystem":"Red Hat:rhel_eus:8.1::baseos","purl":"pkg:rpm/redhat/kpatch-patch-4_18_0-147_51_1-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1-1.el8_1"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2021:2723.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}