{"id":"ALPINE-CVE-2019-20795","details":"iproute2 before 5.1.0 has a use-after-free in get_netnsid_from_name in ip/ipnetns.c. NOTE: security relevance may be limited to certain uses of setuid that, although not a default, are sometimes a configuration option offered to end users. Even when setuid is used, other factors (such as C library configuration) may block exploitability.","modified":"2026-09-10T06:17:54.531595814Z","published":"2020-05-09T21:15:10.913Z","upstream":["CVE-2019-20795"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2019-20795"}],"affected":[{"package":{"name":"iproute2","ecosystem":"Alpine:v3.10","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.20.0-r2"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.11","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.12","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20795.json"}},{"package":{"name":"iproute2","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/iproute2?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed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