CVE-2020-11740

An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (without active profiling) to obtain sensitive information about other guests. Unprivileged guests can request to map xenoprof buffers, even if profiling has not been enabled for those guests. These buffers were not scrubbed.

• CWE-212

• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2020/04/14/1Mailing List, Patch, Third Party Advisory
• http://xenbits.xen.org/xsa/advisory-313.htmlPatch, Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5M2XRNCHOGGTJQBZQJ7DCV6ZNAKN3LE2/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVTP4OYHCTRU3ONFJOFJQVNDFB25KLLG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/
• https://security.gentoo.org/glsa/202005-08Third Party Advisory
• https://www.debian.org/security/2020/dsa-4723Third Party Advisory
• https://xenbits.xen.org/xsa/advisory-313.htmlPatch, Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.htmlMailing List, Third Party Advisory
• http://www.openwall.com/lists/oss-security/2020/04/14/1Mailing List, Patch, Third Party Advisory
• http://xenbits.xen.org/xsa/advisory-313.htmlPatch, Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5M2XRNCHOGGTJQBZQJ7DCV6ZNAKN3LE2/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVTP4OYHCTRU3ONFJOFJQVNDFB25KLLG/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/
• https://security.gentoo.org/glsa/202005-08Third Party Advisory
• https://www.debian.org/security/2020/dsa-4723Third Party Advisory
• https://xenbits.xen.org/xsa/advisory-313.htmlPatch, Vendor Advisory

Published

Apr 14, 2020

Last Modified

Jun 17, 2026

Status

Modified

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