{"id":"CVE-2020-10751","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-10751","generatedAt":"2026-10-27T22:23:38.014Z","title":"The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing.","description":"A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing.","published":"2020-05-26T15:15:11.000Z","lastModified":"2026-06-17T02:48:23.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"},"cwe":["CWE-349","CWE-345"],"affected":["kernel/selinux","redhat/enterprise linux server"],"epss":{"score":0.00348,"percentile":0.28123,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.35%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html","source":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2020/05/27/3","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10751","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb73974172ffaaf57a7c42f35424d9aece1a5af6","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html","source":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html","source":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html","source":"secalert@redhat.com"},{"url":"https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfMPSP=yg%40mail.gmail.com/","source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4389-1/","source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4390-1/","source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4391-1/","source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4412-1/","source":"secalert@redhat.com"},{"url":"https://usn.ubuntu.com/4413-1/","source":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2020/dsa-4698","source":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2020/dsa-4699","source":"secalert@redhat.com"},{"url":"https://www.openwall.com/lists/oss-security/2020/04/30/5","tags":["Mailing List","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","source":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2020/05/27/3","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10751","tags":["Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb73974172ffaaf57a7c42f35424d9aece1a5af6","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfMPSP=yg%40mail.gmail.com/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4389-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4390-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4391-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4412-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4413-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2020/dsa-4698","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2020/dsa-4699","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.openwall.com/lists/oss-security/2020/04/30/5","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpuApr2021.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-10751","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}