{"id":"CVE-2020-29481","aliases":["ALPINE-CVE-2020-29481","DEBIAN-CVE-2020-29481","DSA-4812-1","EUVD-2020-21849","GHSA-vcqm-hqq4-5mxm","SUSE-SU-2020:14578-1","SUSE-SU-2020:3880-1","SUSE-SU-2020:3881-1","SUSE-SU-2020:3913-1","SUSE-SU-2020:3914-1","SUSE-SU-2020:3915-1","SUSE-SU-2020:3916-1","SUSE-SU-2020:3945-1","UBUNTU-CVE-2020-29481","openSUSE-SU-2020:2313-1","openSUSE-SU-2020:2331-1","openSUSE-SU-2024:11520-1"],"status":"published","title":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid....","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00351,"percentile":0.29168,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-668"],"published":"2020-12-15T00:00:00Z","modified":"2026-10-26T12:02:43Z","fixes":[{"ecosystem":"Alpine:v3.11","package":"xen","fixed_in":["4.13.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"xen","fixed_in":["4.13.2-r3"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"xen","fixed_in":["4.14.1-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"xen","fixed_in":["4.14.0+88-g1d1d1f5391-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xen","fixed_in":["4.14.0+88-g1d1d1f5391-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xen","fixed_in":["4.14.0+88-g1d1d1f5391-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.11","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.2-r3"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.1-r0"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.0+88-g1d1d1f5391-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.0+88-g1d1d1f5391-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.14.0+88-g1d1d1f5391-1"}]}]},{"source":"osv","ecosystem":"Debian:10","package":"xen","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.11.4+57-g41a822c392-2"}]}],"versions":["4.11.1+92-g6c33308a8d-2","4.11.3+24-g14b62ab3e5-1","4.11.3+24-g14b62ab3e5-1~deb10u1","4.11.4+24-gddaaccbbab-1","4.11.4+24-gddaaccbbab-1~deb10u1","4.11.4+37-g3263f257ca-1","4.11.4+57-g41a822c392-1","4.11.4-1"],"bundled":11},{"source":"osv","ecosystem":"SUSE:Linux 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Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2020/12/16/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OBLV6L6Q24PPQ2CRFXDX4Q76KU776GKI/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2C6M6S3CIMEBACH6O7V4H2VDANMO6TVA/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29481"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2C6M6S3CIMEBACH6O7V4H2VDANMO6TVA/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OBLV6L6Q24PPQ2CRFXDX4Q76KU776GKI/"},{"url":"https://github.com/advisories/GHSA-vcqm-hqq4-5mxm"},{"url":"https://security.alpinelinux.org/vuln/CVE-2020-29481","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-29481","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-202014578-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1179477","tags":["report"]},{"url":"https://bugzilla.suse.com/1179496","tags":["report"]},{"url":"https://bugzilla.suse.com/1179498","tags":["report"]},{"url":"https://bugzilla.suse.com/1179501","tags":["report"]},{"url":"https://bugzilla.suse.com/1179502","tags":["report"]},{"url":"https://bugzilla.suse.com/1179506","tags":["report"]},{"url":"https://bugzilla.suse.com/1179514","tags":["report"]},{"url":"https://bugzilla.suse.com/1179516","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29130","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29480","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29481","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29483","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29484","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29566","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29570","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29571","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203880-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1027519","tags":["report"]},{"url":"https://bugzilla.suse.com/1163019","tags":["report"]},{"url":"https://bugzilla.suse.com/1176782","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-8608","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203881-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203913-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203914-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203915-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203916-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2020/suse-su-20203945-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-29481","tags":["report"]},{"url":"https://xenbits.xen.org/xsa/advisory-322.html","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-29481","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/ORUQM2NUGI7GTGQ4QQYAXYCCBGXOCR55/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/KLZB3TTBVYNCRCZSSEYYBTXS7RCM6NL7/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2007-1320","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-1366","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-3919","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10024","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-10025","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7777","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7908","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-7909","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8667","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8669","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-8910","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9377","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9379","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9381","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9382","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9383","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9384","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9385","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9386","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9637","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9921","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-9932","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12135","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12136","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-12137","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-2615","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-2620","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-5753","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-6505","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-8309","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-9330","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10471","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10472","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10981","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-10982","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12126","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12891","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12892","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-12893","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15468","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15469","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-15470","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-18883","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19961","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19963","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19964","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19965","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19966","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-19967","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3639","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3646","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-3665","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5244","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7540","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7541","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-7542","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-8897","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2019-17349","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-0543","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11739","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11740","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11742","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-11743","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15563","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15565","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15566","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-15567","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25595","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25596","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25597","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25598","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25599","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25600","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25601","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25602","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25603","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-25604","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27670","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27671","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27672","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-27674","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-28368","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29040","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-29567","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28687","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-29481","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2020-12-15T17:51:24Z","modified":"2024-08-04T16:55:09.959Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21849","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2020-12-15T17:51:24Z","modified":"2024-08-04T16:55:09Z","updated_at":"2026-11-03T03:07:07.919663Z"}],"ghsa":[{"id":"GHSA-vcqm-hqq4-5mxm","title":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid....","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2022-05-24T17:36:34Z","modified":"2023-01-29T05:05:02Z","cwes":["CWE-668"],"updated_at":"2026-11-02T14:45:41.669563Z"}],"nvd":[{"id":"CVE-2020-29481","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2020-12-15T18:15:15.067Z","modified":"2026-06-17T03:11:19.963Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:06:27.73474Z"}],"osv":[{"id":"ALPINE-CVE-2020-29481","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2020-12-15T18:15:15.067Z","modified":"2026-10-26T11:17:55.168259373Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:27:48.11886Z"},{"id":"CVE-2020-29481","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2020-12-15T18:15:15.067Z","modified":"2026-03-15T14:39:31.30586Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:16.612899Z"},{"id":"DEBIAN-CVE-2020-29481","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2020-12-15T18:15:15.067Z","modified":"2026-10-26T12:02:43.238166615Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:34.019707Z"},{"id":"UBUNTU-CVE-2020-29481","description":"An issue was discovered in Xen through 4.14.x. Access rights of Xenstore nodes are per domid. Unfortunately, existing granted access rights are not removed when a domain is being destroyed. This means that a new domain created with the same domid will inherit the access rights to Xenstore nodes from the previous domain(s) with the same domid. Because all Xenstore entries of a guest below /local/domain/\u003cdomid\u003e are being deleted by Xen tools when a guest is destroyed, only Xenstore entries of other guests still running are affected. For example, a newly created guest domain might be able to read sensitive information that had belonged to a previously existing guest domain. Both Xenstore implementations (C and Ocaml) are vulnerable.","status":"published","published":"2020-12-15T18:15:00Z","modified":"2026-04-22T12:40:05.07729Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:24.541803Z"},{"id":"DSA-4812-1","title":"xen - security update","status":"published","published":"2020-12-15T00:00:00Z","modified":"2026-03-09T02:11:08.819507Z","updated_at":"2026-11-02T15:46:17.19998Z"},{"id":"openSUSE-SU-2020:2313-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n\nThis update was imported from the SUSE:SLE-15-SP1:Update update project.","status":"published","published":"2020-12-22T05:22:46Z","modified":"2025-05-07T18:12:04.496935Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:2331-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n\nThis update was imported from the SUSE:SLE-15-SP2:Update update project.","status":"published","published":"2020-12-26T05:22:25Z","modified":"2026-02-04T03:38:08.826583Z","updated_at":"2026-11-02T16:58:31.879684Z"},{"id":"openSUSE-SU-2024:11520-1","title":"xen-4.15.1_01-1.2 on GA media","description":"These are all security issues fixed in the xen-4.15.1_01-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2025-05-07T18:08:22.378535Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2020:14578-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n","status":"published","published":"2020-12-16T16:52:35Z","modified":"2026-02-04T03:40:59.864471Z","updated_at":"2026-11-02T15:53:47.634847Z"},{"id":"SUSE-SU-2020:3880-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-18T15:47:02Z","modified":"2026-02-04T04:36:31.987762Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3881-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-18T15:47:14Z","modified":"2026-02-04T03:39:37.252654Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3913-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:01Z","modified":"2026-02-04T03:59:34.976076Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3914-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:20Z","modified":"2026-02-04T02:25:51.054779Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3915-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:30Z","modified":"2026-02-04T02:49:46.962806Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3916-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-22T13:16:42Z","modified":"2026-02-04T03:24:53.042108Z","updated_at":"2026-11-02T15:53:48.690034Z"},{"id":"SUSE-SU-2020:3945-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2020-29480: Fixed an issue which could have allowed leak of non-sensitive data to administrator guests (bsc#117949 XSA-115).\n- CVE-2020-29481: Fixed an issue which could have allowd to new domains to inherit existing node permissions (bsc#1179498 XSA-322). \n- CVE-2020-29483: Fixed an issue where guests could disturb domain cleanup (bsc#1179502 XSA-325).\n- CVE-2020-29484: Fixed an issue where guests could crash xenstored via watchs (bsc#1179501 XSA-324). \n- CVE-2020-29566: Fixed an undue recursion in x86 HVM context switch code (bsc#1179506 XSA-348).\n- CVE-2020-29570: Fixed an issue where FIFO event channels control block related ordering (bsc#1179514 XSA-358).\n- CVE-2020-29571: Fixed an issue where FIFO event channels control structure ordering (bsc#1179516 XSA-359).\n- CVE-2020-29130: Fixed an out-of-bounds access while processing ARP packets (bsc#1179477). \n- Fixed an issue where dump-core shows missing nr_pages during core (bsc#1176782).\n- Multiple other bugs (bsc#1027519)\n","status":"published","published":"2020-12-29T12:09:29Z","modified":"2026-02-04T02:51:22.921364Z","updated_at":"2026-11-02T15:53:48.690034Z"}]}}