An issue was discovered in xenoprof in Xen through 4.13.x, allowing guest OS users (with active profiling) to obtain sensitive information about other guests, cause a denial of service, or possibly gain privileges. For guests for which "active" profiling was enabled by the administrator, the xenoprof code uses the standard Xen shared ring structure. Unfortunately, this code did not treat the guest as a potential adversary: it trusts the guest not to modify buffer size information or modify head / tail pointers in unexpected ways. This can crash the host (DoS). Privilege escalation cannot be ruled out.
References
Link | Resource |
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http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00006.html | Mailing List Third Party Advisory |
http://www.openwall.com/lists/oss-security/2020/04/14/1 | Mailing List Patch Third Party Advisory |
http://xenbits.xen.org/xsa/advisory-313.html | Patch 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/202005-08 | Third Party Advisory |
https://www.debian.org/security/2020/dsa-4723 | Third Party Advisory |
https://xenbits.xen.org/xsa/advisory-313.html | Patch Vendor Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
07 Nov 2023, 03:15
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Information
Published : 2020-04-14 13:15
Updated : 2024-02-28 17:47
NVD link : CVE-2020-11741
Mitre link : CVE-2020-11741
CVE.ORG link : CVE-2020-11741
JSON object : View
Products Affected
fedoraproject
- fedora
debian
- debian_linux
opensuse
- leap
xen
- xen
CWE
CWE-909
Missing Initialization of Resource