{"id":"CVE-2021-20255","aliases":["ALPINE-CVE-2021-20255","AZL-35149","AZL-6829","BELL-CVE-2021-20255","DEBIAN-CVE-2021-20255","DLA-2623-1","EUVD-2021-7693","GHSA-v6w7-gq3g-fwvm","SUSE-SU-2021:14848-1","SUSE-SU-2021:2789-1","SUSE-SU-2021:2813-1","SUSE-SU-2021:2858-1","SUSE-SU-2021:2924-1","SUSE-SU-2021:2955-1","SUSE-SU-2021:2957-1","SUSE-SU-2021:3322-1","SUSE-SU-2021:3575-1","SUSE-SU-2021:3613-1","SUSE-SU-2021:3614-1","SUSE-SU-2021:3635-1","UBUNTU-CVE-2021-20255","openSUSE-SU-2021:1202-1","openSUSE-SU-2021:2789-1","openSUSE-SU-2021:2858-1","openSUSE-SU-2021:3614-1"],"status":"published","title":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device...","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00411,"percentile":0.35641,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-674","CWE-835"],"published":"2021-03-09T19:14:05Z","modified":"2026-11-05T05:40:51Z","fixes":[{"ecosystem":"Alpine:v3.14","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"qemu","fixed_in":["6.0.0-r1"],"sources":["osv"]},{"ecosystem":"Azure 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Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20255","tags":["web"]},{"url":"https://github.com/advisories/GHSA-v6w7-gq3g-fwvm"},{"url":"https://security.alpinelinux.org/vuln/CVE-2021-20255","tags":["advisory"]},{"url":"https://docs.bell-sw.com/security/cves/CVE-2021-20255","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-20255","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-202114848-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1182654","tags":["report"]},{"url":"https://bugzilla.suse.com/1186013","tags":["report"]},{"url":"https://bugzilla.suse.com/1186429","tags":["report"]},{"url":"https://bugzilla.suse.com/1186433","tags":["report"]},{"url":"https://bugzilla.suse.com/1186434","tags":["report"]},{"url":"https://bugzilla.suse.com/1187369","tags":["report"]},{"url":"https://bugzilla.suse.com/1187376","tags":["report"]},{"url":"https://bugzilla.suse.com/1187378","tags":["report"]},{"url":"https://bugzilla.suse.com/1189150","tags":["report"]},{"url":"https://bugzilla.suse.com/1189376","tags":["report"]},{"url":"https://bugzilla.suse.com/1189378","tags":["report"]},{"url":"https://bugzilla.suse.com/1189632","tags":["report"]},{"url":"https://bugzilla.suse.com/1192526","tags":["report"]},{"url":"https://bugzilla.suse.com/1192554","tags":["report"]},{"url":"https://bugzilla.suse.com/1192555","tags":["report"]},{"url":"https://bugzilla.suse.com/1192559","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-0089","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-20255","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28690","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28692","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28697","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28698","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28701","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28703","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28705","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28706","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28709","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3527","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3592","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3594","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3595","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3682","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3930","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212789-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1180432","tags":["report"]},{"url":"https://bugzilla.suse.com/1180433","tags":["report"]},{"url":"https://bugzilla.suse.com/1180434","tags":["report"]},{"url":"https://bugzilla.suse.com/1180435","tags":["report"]},{"url":"https://bugzilla.suse.com/1182651","tags":["report"]},{"url":"https://bugzilla.suse.com/1186012","tags":["report"]},{"url":"https://bugzilla.suse.com/1189145","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2020-35503","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-35504","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-35505","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-35506","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212813-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212858-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1188299","tags":["report"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212924-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1027519","tags":["report"]},{"url":"https://bugzilla.suse.com/1179246","tags":["report"]},{"url":"https://bugzilla.suse.com/1180491","tags":["report"]},{"url":"https://bugzilla.suse.com/1180846","tags":["report"]},{"url":"https://bugzilla.suse.com/1183243","tags":["report"]},{"url":"https://bugzilla.suse.com/1185682","tags":["report"]},{"url":"https://bugzilla.suse.com/1186428","tags":["report"]},{"url":"https://bugzilla.suse.com/1188050","tags":["report"]},{"url":"https://bugzilla.suse.com/1189373","tags":["report"]},{"url":"https://bugzilla.suse.com/1189380","tags":["report"]},{"url":"https://bugzilla.suse.com/1189381","tags":["report"]},{"url":"https://bugzilla.suse.com/1189882","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28693","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28694","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28695","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28696","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28699","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-28700","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212955-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1181254","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3308","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20212957-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213322-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213575-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213613-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1189702","tags":["report"]},{"url":"https://bugzilla.suse.com/1189938","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3713","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3748","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213614-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2021/suse-su-20213635-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-20255","tags":["report"]},{"url":"https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg06098.html","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-20255","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/7XTOHNMISPT4N5NUXQJPKV5LQNNGSMFI/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1187364","tags":["report"]},{"url":"https://bugzilla.suse.com/1187365","tags":["report"]},{"url":"https://bugzilla.suse.com/1187366","tags":["report"]},{"url":"https://bugzilla.suse.com/1187367","tags":["report"]},{"url":"https://bugzilla.suse.com/1187499","tags":["report"]},{"url":"https://bugzilla.suse.com/1187529","tags":["report"]},{"url":"https://bugzilla.suse.com/1187538","tags":["report"]},{"url":"https://bugzilla.suse.com/1187539","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3582","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3593","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3607","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3608","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-3611","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/UE3MLTPF62745SPUUDQR6ROYVP4GG6DT/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/GGOXRRBMGRJGBNXEGPCZ3JFLXCMIM6A3/","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/26KPX43RJBRTCX3JER7CN7MAT4QEGAED/","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2021-20255","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T19:14:05Z","modified":"2024-08-03T17:37:23.158Z","cwes":["CWE-835"],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7693","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T19:14:05Z","modified":"2024-08-03T17:37:23Z","updated_at":"2026-11-03T03:25:09.355483Z"}],"ghsa":[{"id":"GHSA-v6w7-gq3g-fwvm","title":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device...","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2022-05-24T17:43:53Z","modified":"2023-01-27T05:03:01Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-674","CWE-835"],"updated_at":"2026-11-02T14:42:09.126228Z"}],"nvd":[{"id":"CVE-2021-20255","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T20:15:13.133Z","modified":"2026-06-17T03:33:33.237Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-835","CWE-674"],"updated_at":"2026-11-02T14:06:50.399901Z"}],"osv":[{"id":"ALPINE-CVE-2021-20255","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T20:15:13.133Z","modified":"2026-11-03T06:32:46.323006768Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T07:16:46.202932Z"},{"id":"AZL-35149","title":"CVE-2021-20255 affecting package qemu for versions less than 6.2.0-18","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T20:15:13Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-05T16:41:19.554273Z"},{"id":"AZL-6829","title":"CVE-2021-20255 affecting package qemu for versions less than 6.2.0-2","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T20:15:13Z","modified":"2026-04-21T04:38:23.196369Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:08.630357Z"},{"id":"BELL-CVE-2021-20255","title":"CVE-2021-20255 does not affect BellSoft software","status":"withdrawn","published":"2023-08-31T12:14:54.60688Z","modified":"2026-01-26T09:48:31.326878Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:15.925958Z"},{"id":"CVE-2021-20255","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T20:15:13.133Z","modified":"2026-10-24T10:30:55.734385047Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:18.004149Z"},{"id":"DEBIAN-CVE-2021-20255","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T20:15:13.133Z","modified":"2026-10-23T18:03:58.99314664Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:34.637046Z"},{"id":"UBUNTU-CVE-2021-20255","description":"A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.","status":"published","published":"2021-03-09T20:15:00Z","modified":"2026-10-22T23:15:41.287737663Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:25.728622Z"},{"id":"DLA-2623-1","title":"qemu - security update","status":"published","published":"2021-04-10T00:00:00Z","modified":"2026-03-09T01:20:47.364097Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"openSUSE-SU-2021:1202-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2021-3527: usb: unbounded stack allocation in usbredir (bsc#1186012)\n- CVE-2021-3582: Fix possible mremap overflow in the pvrdma (bsc#1187499)\n- CVE-2021-3592: Fix for slirp: invalid pointer initialization may lead to information disclosure (bootp) (bsc#1187364)\n- CVE-2021-3593: Fix for slirp: invalid pointer initialization may lead to information disclosure (udp6) (bsc#1187365)\n- CVE-2021-3594: Fix for slirp: invalid pointer initialization may lead to information disclosure (udp) (bsc#1187367)\n- CVE-2021-3595: Fixed slirp: invalid pointer initialization may lead to information disclosure (tftp) (bsc#1187366)\n- CVE-2021-3607: Ensure correct input on ring init (bsc#1187539)\n- CVE-2021-3608: Fix the ring init error flow (bsc#1187538)\n- CVE-2021-3611: Fix intel-hda segmentation fault due to stack overflow (bsc#1187529)\n- CVE-2021-3682: usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145)\n- CVE-2020-35503: NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432)\n- CVE-2020-35504,CVE-2020-35505,CVE-2020-35506: NULL pointer dereference in ESP (bsc#1180433 bsc#1180434 bsc#1180435)\n- CVE-2021-20255: eepro100: stack overflow via infinite recursion (bsc#1182651)\n\nThis update was imported from the SUSE:SLE-15-SP2:Update update project.","status":"published","published":"2021-08-26T16:06:03Z","modified":"2026-02-04T03:01:20.988586Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"openSUSE-SU-2021:2789-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n","status":"published","published":"2021-08-20T08:08:20Z","modified":"2026-02-04T03:16:13.861453Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"openSUSE-SU-2021:2858-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n\nNon-security issues fixed:\n\n- Use max host physical address if -cpu max is used (bsc#1188299)\n","status":"published","published":"2021-08-27T09:59:38Z","modified":"2026-02-04T02:41:54.456338Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"openSUSE-SU-2021:3614-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)\n- Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n\nNon-security issues fixed:\n\n- Use max host physical address if -cpu max is used (bsc#1188299)\n","status":"published","published":"2021-11-04T11:27:20Z","modified":"2026-02-04T03:46:07.528535Z","updated_at":"2026-11-02T16:58:32.266854Z"},{"id":"SUSE-SU-2021:14848-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2021-0089: Fixed Speculative Code Store Bypass (XSA-375) (bsc#1186433).\n- CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654).\n- CVE-2021-28690: Fixed x86 TSX Async Abort protections not restored after S3 (XSA-377) (bsc#1186434).\n- CVE-2021-28692: Fixed inappropriate x86 IOMMU timeout detection / handling (XSA-373) (bsc#1186429).\n- CVE-2021-28697: Fixed grant table v2 status pages may remain accessible after de-allocation (XSA-379) (bsc#1189376).\n- CVE-2021-28698: Fixed long running loops in grant table handling. (XSA-380) (bsc#1189378).\n- CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632).\n- CVE-2021-28703: Fixed grant table v2 status pages may remain accessible after de-allocation (take two) (XSA-387) (bsc#1192555).\n- CVE-2021-28705, CVE-2021-28709: Fixed issues with partially successful P2M updates on x86 (XSA-389) (bsc#1192559).\n- CVE-2021-28706: Fixed guests may exceed their designated memory limit (XSA-385) (bsc#1192554).\n- CVE-2021-3527: Fixed unbounded stack allocation in usbredir (bsc#1186013).\n- CVE-2021-3592: Fixed invalid pointer initialization may lead to information disclosure in slirp (bootp) (bsc#1187369).\n- CVE-2021-3594: Fixed invalid pointer initialization may lead to information disclosure in slirp (udp) (bsc#1187378).\n- CVE-2021-3595: Fixed invalid pointer initialization may lead to information disclosure in slirp (tftp) (bsc#1187376).\n- CVE-2021-3682: Fixed free call on invalid pointer in usbredir bufp_alloc (bsc#1189150).\n- CVE-2021-3930: Fixed off-by-one error in mode_sense_page() in hw/scsi/scsi-disk.c (bsc#1192526).\n","status":"published","published":"2021-12-01T15:57:08Z","modified":"2025-05-02T04:30:58.855247Z","updated_at":"2026-11-02T15:53:49.138643Z"},{"id":"SUSE-SU-2021:2789-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n","status":"published","published":"2021-08-20T08:08:19Z","modified":"2026-02-04T03:02:32.919239Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:2813-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n","status":"published","published":"2021-08-23T10:19:27Z","modified":"2025-05-02T04:30:49.97319Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:2858-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n\nNon-security issues fixed:\n\n- Use max host physical address if -cpu max is used (bsc#1188299)\n","status":"published","published":"2021-08-27T09:59:37Z","modified":"2025-05-02T04:30:50.035809Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:2924-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2021-28693: xen/arm: Boot modules are not scrubbed (bsc#1186428)\n- CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)\n- CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)\n- CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)\n- CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654)\n- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).\n- CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).\n- CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).\n- CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).\n- CVE-2021-28700: No memory limit for dom0less domUs (XSA-383)(bsc#1189381).\n- CVE-2021-3592: slirp: invalid pointer initialization may lead to information disclosure (bootp)(bsc#1187369).\n- CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure (udp)(bsc#1187378).\n- CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure (tftp)(bsc#1187376).\n\nOther issues fixed:\n\n- Fixed 'Panic on CPU 0: IO-APIC + timer doesn't work!' (bsc#1180491)\n- Fixed an issue with xencommons, where file format expecations by fillup did not allign (bsc#1185682)\n- Upstream bug fixes (bsc#1027519)\n\n- Dom0 hangs when pinning CPUs for dom0 with HVM guest (bsc#1179246).\n- Fixed Xen SLES11SP4 guest hangs on cluster (bsc#1188050).\n- Fixed PVHVM SLES12 SP5 - NMI Watchdog CPU Stuck (bsc#1180846).\n- Core cannot be opened when using xl dump-core of VM with PTF (bsc#1183243)\n- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).\n","status":"published","published":"2021-09-02T08:12:49Z","modified":"2026-02-04T04:33:23.775608Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:2955-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).\n- CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).\n- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).\n- CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).\n- CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)\n- CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)\n- CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)\n- CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654)\n- CVE-2021-3592: slirp: invalid pointer initialization may lead to information disclosure (bootp)(bsc#1187369).\n- CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure (udp)(bsc#1187378).\n- CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure (tftp)(bsc#1187376).\n- CVE-2021-3308: Fixed IRQ vector leak on x86 (XSA-360)(bsc#1181254).\n\n- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).\n","status":"published","published":"2021-09-03T12:45:10Z","modified":"2026-02-04T04:37:20.894835Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:2957-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2021-3594: slirp: invalid pointer initialization may lead to information disclosure (udp)(bsc#1187378).\n- CVE-2021-3595: slirp: invalid pointer initialization may lead to information disclosure (tftp)(bsc#1187376).\n- CVE-2021-28698: long running loops in grant table handling (XSA-380)(bsc#1189378).\n- CVE-2021-28699: inadequate grant-v2 status frames array bounds check (XSA-382)(bsc#1189380).\n- CVE-2021-20255: Fixed stack overflow via infinite recursion in eepro100 (bsc#1182654)\n- CVE-2021-28690: xen: x86: TSX Async Abort protections not restored after S3 (bsc#1186434)\n- CVE-2021-28692: xen: inappropriate x86 IOMMU timeout detection / handling (bsc#1186429)\n- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).\n- CVE-2021-0089: xen: Speculative Code Store Bypass (bsc#1186433)\n- CVE-2021-28697: grant table v2 status pages may remain accessible after de-allocation (XSA-379)(bsc#1189376).\n- CVE-2021-3592: slirp: invalid pointer initialization may lead to information disclosure (bootp)(bsc#1187369).\n\n- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).\n","status":"published","published":"2021-09-06T08:34:19Z","modified":"2026-02-04T02:45:06.621847Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:3322-1","title":"Security update for xen","description":"This update for xen fixes the following issues:\n\n- CVE-2021-28701: Fixed race condition in XENMAPSPACE_grant_table handling (XSA-384) (bsc#1189632).\n\n- CVE-2021-28694,CVE-2021-28695,CVE-2021-28696: Fixed IOMMU page mapping issues on x86 (XSA-378)(bsc#1189373).\n- CVE-2021-28697: Fixed grant table v2 status pages that may remain accessible after de-allocation (XSA-379)(bsc#1189376).\n- CVE-2021-28698: Fixed long running loops in grant table handling (XSA-380)(bsc#1189378).\n- CVE-2021-20255: Fixed eepro100 stack overflow via infinite recursion (bsc#1182654).\n- CVE-2021-3592: Fixed invalid pointer initialization may lead to information disclosure (bootp) (bsc#1187369).\n- CVE-2021-3594: Fixed invalid pointer initialization may lead to information disclosure (udp) (bsc#1187378).\n- CVE-2021-3595: Fixed invalid pointer initialization may lead to information disclosure (tftp) (bsc#1187376).\n- CVE-2021-28692: Fixed inappropriate x86 IOMMU timeout detection / handling (XSA-373)(bsc#1186429).\n- CVE-2021-0089: Fixed Speculative Code Store Bypass (XSA-375)(bsc#1186433).\n- CVE-2021-28690: Fixed x86 TSX Async Abort protections not restored after S3 (XSA-377)(bsc#1186434).\n\n- Prevent superpage allocation in the LAPIC and ACPI_INFO range (bsc#1189882).\n","status":"published","published":"2021-10-07T16:23:05Z","modified":"2026-02-04T04:06:51.259331Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:3575-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n","status":"published","published":"2021-10-28T16:03:26Z","modified":"2026-02-04T03:17:03.543924Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:3613-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)\n- Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n","status":"published","published":"2021-11-04T11:26:25Z","modified":"2026-02-04T04:14:58.118776Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:3614-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)\n- Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n\nNon-security issues fixed:\n\n- Use max host physical address if -cpu max is used (bsc#1188299)\n","status":"published","published":"2021-11-04T11:27:35Z","modified":"2026-02-04T04:31:47.827558Z","updated_at":"2026-11-02T15:53:49.605187Z"},{"id":"SUSE-SU-2021:3635-1","title":"Security update for qemu","description":"This update for qemu fixes the following issues:\n\nSecurity issues fixed:\n\n- Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)\n- Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)\n- usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)\n- NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)\n- NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)\n- eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)\n- usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)\n","status":"published","published":"2021-11-09T09:52:13Z","modified":"2026-02-04T02:13:53.800692Z","updated_at":"2026-11-02T15:53:49.605187Z"}]}}