Published: 14/04/2020 Updated: 07/11/2023

CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 187

Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N

An issue exists in xenoprof in Xen up to and including 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.

Vulnerable Product	Search on Vulmon	Subscribe to Product
xen xen 4.13.0
xen xen
debian debian linux 10.0
fedoraproject fedora 30
fedoraproject fedora 31
fedoraproject fedora 32
opensuse leap 15.1

Several security issues were fixed in Xen ...

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 4114+24-gddaaccbbab-1~deb10u1 We recommend that you upgrade your xen packages For the detailed secu ...

Description of Problem Several issues have been identified within Citrix Hypervisor, which could, if exploited, allow: privileged code in a PV guest VM to read a single uninitialized 4kB page of memory (that may contain data left by a previous VM) privileged code in a guest VM to cause the host to crash These vulnerabilities affect all currently su ...

CWE-212 https://xenbits.xen.org/xsa/advisory-313.html http://xenbits.xen.org/xsa/advisory-313.html http://www.openwall.com/lists/oss-security/2020/04/14/1 http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.html https://security.gentoo.org/glsa/202005-08 https://www.debian.org/security/2020/dsa-4723 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YMAW7D2MP6RE4BFI5BZWOBBWGY3VSOFN/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://ubuntu.com/security/notices/USN-5617-1 https://nvd.nist.gov

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CVE-2020-11740

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