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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2364 xen security update 13 July 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: Debian Operating System: Debian GNU/Linux 10 Impact/Access: Denial of Service -- Existing Account Increased Privileges -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2020-15567 CVE-2020-15566 CVE-2020-15565 CVE-2020-15564 CVE-2020-15563 CVE-2020-11743 CVE-2020-11742 CVE-2020-11741 CVE-2020-11740 CVE-2020-11739 Reference: ESB-2020.2320 ESB-2020.1575 ESB-2020.1463 Original Bulletin: http://www.debian.org/security/2020/dsa-4723 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4723-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff July 12, 2020 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : xen CVE ID : CVE-2020-11739 CVE-2020-11740 CVE-2020-11741 CVE-2020-11742 CVE-2020-11743 CVE-2020-15563 CVE-2020-15564 CVE-2020-15565 CVE-2020-15566 CVE-2020-15567 Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, guest-to-host privilege escalation or information leaks. For the stable distribution (buster), these problems have been fixed in version 4.11.4+24-gddaaccbbab-1~deb10u1. We recommend that you upgrade your xen packages. For the detailed security status of xen please refer to its security tracker page at: https://security-tracker.debian.org/tracker/xen Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: debian-security-announce@lists.debian.org - -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAl8Lc/AACgkQEMKTtsN8 TjaMdxAAqGcAm1NI7JRg7LQprevLCPkxPItZapx3n/q/W6HwiGQxC6KP9Ntp3ArR QiIeIPzTWVMHcaahlgkLePaFPU3MCe5TkL0GKG1JIAD8JieKBSrAWJ6tqTiZx+G+ anbksp/I9Mq9nciMlnPXeOVQgksoCB0tFYC2Ld+H7btZdD5G4KpJsz25c0S5poxW sIXLgNXIzmZcI8mVzUlt+w0FG3tnolr/kJppHBkgC46riVcy8LHRaRQiVTjwqjSn Eop4oXxLDZ/qH8k+0JAZLtBPpc9PfQcLxCJnhH8z76QdPPkcJuNFx5zRXqr1dZfG AkRuG6LZa2tRGYzKZmo7BMj5dUei4xhDHLAoWGhSHkTmYtdc1Kyy4+duGPEChSCm fCSC1FhFJFK30iq918cunWtjhRrEqrJr10HuC+YlSXfqrv1Z12fPw3UPRJmdG2Dv UPS5vT8/NwF0osNrvNE+rkhYXTEKECE756pP3jTV4+BBBgf9DLtbV0EvYq1YWlJw iT+KnzX9iW/jJg3bC32+UJlVv7IAkb8F9hcK3wKpvgSUVJIDWN352rfW7p8/xZoj 7eIlmZwDPKWsyMlbt2OsyYQFQlBvNsk0+7ycu9hG6fBaF5ATSxTO+A43Q7OxorP9 g8OhDVMgrx5GM4rXSZ60J6uxkd2eUns4Ud8pDGG8XTpnRBxD8Kk= =tfm7 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBXwvkeeNLKJtyKPYoAQjxkA/9EmxspLYr8k8rBg4FJ3jIeVKhGTUZHNJi l4v1Tt+TKynl3chRcszG07kcTQhZ6lxO7Jt/t6Z6QCHcQEviE0SwAZUSqRCge3vN U+xgXVKkwsi336lryObbTGDtBLEWVVlOelDe+6q3v3nWyPAZuNT88v7Tub2xscza L9tA7NLCmCzXEi06LLfUDoceIfLmwYhT1JWfT1JCtwptHPMknCrLD7JPV5ouLv2z vD7tTYAdVfyEQ3kFiNaMCEUekJGKhT9RVtsGDNszV5Y33aoK9GjKOVMKcuJUx/1x R9FIYg6sqA10CQsw80ergO5GwnUQHUjV+sSWmQb4eX6MBZSfa5Y/byzPOT9dYkyi LkwqdatFwQTiTvrnO4PvVLTPj83ZiGrRbdHDODmdVnuoTs3otDUasG4ABGqDLT1i vtaUGa+CNCE0FVoKma0TVuqv9lPs8McSPdwQgpnZKFKP5I05CxbAa/Iz3JGal8NR zWat8iC6iPIcVKJDoyMo0Sf+cTdVqcgrMrc2hxcaG9qxXZ2dPG3TxugxVWev1Q+J +ld6ZqFG+r91MFBf85tckmpKTcL3ZkX/qjj2R7luDwK2xoGYklMkk2HpCYoKO9fk 9JEKNXa3KFUPt/xyq4IKshFAsQ5e3t6wwHk09++7U25xMiY4ektOgtLk+2luqK3z kzHxSxQyYyU= =83iV -----END PGP SIGNATURE-----