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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2135 xen security update 16 June 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: xen Publisher: Debian Operating System: Debian GNU/Linux Impact/Access: Denial of Service -- Existing Account Access Confidential Data -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-28692 CVE-2021-28690 CVE-2021-26313 CVE-2021-0089 Reference: ESB-2021.2086 ESB-2021.2043 ESB-2021.2042 Original Bulletin: http://www.debian.org/security/2021/dsa-4931 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - - ------------------------------------------------------------------------- Debian Security Advisory DSA-4931-1 security@debian.org https://www.debian.org/security/ Moritz Muehlenhoff June 15, 2021 https://www.debian.org/security/faq - - ------------------------------------------------------------------------- Package : xen CVE ID : CVE-2021-0089 CVE-2021-26313 CVE-2021-28690 CVE-2021-28692 Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service or information leaks. For the stable distribution (buster), these problems have been fixed in version 4.11.4+107-gef32c7afa2-1. 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----- iQIzBAEBCgAdFiEEtuYvPRKsOElcDakFEMKTtsN8TjYFAmDJEsUACgkQEMKTtsN8 TjaQhBAAvItimzF6QWWRYY5Ce+wWgee8vCrG0ZgrtTWbxlnT8XHLB97tQdBE/ytZ FXyaaoklSe8gWxA3e4wF3/mf8EcVi4MRXPtB+WL9If0uhjg24pm9hS75lUWNQzP4 wo7mShj/WBmvpz0BsvXMZRiVJm4m6mtbb+oBCCGqRQr70HvkOPn0jw5tGdqPt/1u f0q7mbun4cMmebdN2ZcBnIY0zVsCPvTdTMY5weiB3egBogJhP12XsgxPmv44GUpi rvQIngsOld6eJ3wfOmMacMxZ3a+SyhIjRC5lMfdxp9SOC8b2hsQaBaR9+dYLUtKR ieDyUVfFdXgAMsHA5Gn5PQivNHC0wVqx5nf3HIPvhgjpdGPbvgs+dM4OLkLrFW4r nyrJ70OVwUOBay8HJu1Gw2xyu54NmUCi6DN53SD7AxGrnjiyBfb72OeR4elZz5KT gggGzNfMoqPQPG3mPC7GW1PbJ0D4pxZmfr3jftgVdBvBEvuS4KqngoZqL9ZHj9n5 2sT5EycoQZS/O5JaG3KdZsiay9E7LodNmw5mvGvgeYouW+MpFVdOEzvB7F91ya5U TxY+nj5J1lboyB8CymcxensLet2g7n2IYZNPrH1Sr1EEx9Zg0znVCuOE3QhJI60O JFAnmgSM/XPrIqxtZR+gX8nxqTBPWYDaTtRFZOVhA7hDpVmnAGo= =stfn - -----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 iQIVAwUBYMlhYONLKJtyKPYoAQhkLQ/+PMyHTHgi3DWpYNGeAjZu79GQanyv0AS1 rQWKsOXAodghhktjR1jS2eS6PMdHUA127C6uMfXXd/kCF33zUV3THUTyUjl9a7LB 9xCkpzjsShf5xcKL653eQGUfI9fl+94RycrplxmQ4A4/jBOtWmxFu9TTmsCWr+VU xLS4Ne/9cXLVGpuk46YqbFCFKyazSKWSWyU9ozA25j4NV3/FK/4Czj4t8NB8KDba GHnLSdonPKXihTd5W//qJmaG7NDczj4AZkppHxBrTnJ36qre/VLvhf3ovac2tg3O 8neh6MqrA6uXHAMpXuWGaZa93FPoM3hqrrJ4t2r6ppqBUUVLjWbaiCeYR6Zz3UJD SfuFfHLW+m1uI/2ypfRQG9ok2izHf/OcQ/u6BOeo8LKZJYYhYm2hE+AXN2mpYyn2 rCNRcXPRRlXokqc80w5yPTtqkJX5H5Av5NFTWlj+Rka0JFzSewTbkfEpB5OdEOoi CTXa8T2aenw3FC2ePJN/lqMNLV7/Z8ft6ciRm4HEEtmIEWglb9dhsenMNjmM8VwK Fwi9UC7G75KvN/7lTWqEL0oavrfmO4srUTk1r5n5s4rGFpaYaIIofoUIyBTf0CkH ApKFpefMMbesO8TUEwasbz3e3xg0MmwwOQPFija4oV5JCd4ledAUAPNPwKG276NP WuYDHHLCbUU= =Bs7u -----END PGP SIGNATURE-----