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[{"id":483,"title":"Self-taught through trial and error","votes":548,"type":"x","order":1,"pct":78.51,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.3,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.87,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.32,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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Fedora 33: 2021-ef772b418c Alert: Xenstore Access Problems Detected

xenstore watch notifications lacking permission checks [XSA-115, CVE-2020-29480] (#1908091) Xenstore: new domains inheriting existing node permissions [XSA-322, CVE-2020-29481] (#1908095) Xenstore: wrong path length check [XSA-323, CVE-2020-29482] (#1908096) Xenstore: guests can crash xenstored via watchs [XSA-324, CVE-2020-29484] (#1908088) Xenstore: guests can disturb domain cleanup. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2020-df772b417b 2020-12-25 01:25:28.437759 --------------------------------------------------------------------------------Name : xen Product : Fedora 32 Version : 4.13.2 Release : 5.fc32 URL : https://xenproject.org/ Summary : Xen is a virtual machine monitor Description : This package contains the XenD daemon and xm command line tools, needed to manage virtual machines running under the Xen hypervisor --------------------------------------------------------------------------------Update Information: xenstore watch notifications lacking permission checks [XSA-115, CVE-2020-29480] (#1908091) Xenstore: new domains inheriting existing node permissions [XSA-322, CVE-2020-29481] (#1908095) Xenstore: wrong path length check [XSA-323, CVE-2020-29482] (#1908096) Xenstore: guests can crash xenstored via watchs [XSA-324, CVE-2020-29484] (#1908088) Xenstore: guests can disturb domain cleanup [XSA-325, CVE-2020-29483] (#1908087) oxenstored memory leak in reset_watches [XSA-330, CVE-2020-29485] (#1908000) undue recursion in x86 HVM context switch code [XSA-348, CVE-2020-29566] (#1908085) oxenstored: node ownership can be changed by unprivileged clients [XSA-352, CVE-2020-29486] (#1908003) oxenstored: permissions not checked on root node [XSA-353, CVE-2020-29479] (#1908002) FIFO event channels control block related ordering [XSA-358, CVE-2020-29570] (#1907931) FIFO event channels control structure ordering [XSA-359, CVE-2020-29571](#1908089) --------------------------------------------------------------------------------ChangeLog: * Wed Dec 16 2020 Michael Young - 4.13.2-5 - xenstore watch notifications lacking permission checks [XSA-115, CVE-2020-29480] (#1908091) - Xenstore: new domains inheriting existing node permissions [XSA-322, CVE-2020-29481] (#1908095) - Xenstore: wrong path length check [XSA-323, CVE-2020-29482] (#1908096) - Xenstore: guests can crash xenstored via watchs [XSA-324, CVE-2020-29484] (#1908088) - Xenstore: guests can disturb domain cleanup [XSA-325, CVE-2020-29483] (#1908087) - oxenstored memory leak in reset_watches [XSA-330, CVE-2020-29485] (#1908000) - undue recursion in x86 HVM context switch code [XSA-348, CVE-2020-29566] (#1908085) - oxenstored: node ownership can be changed by unprivileged clients [XSA-352, CVE-2020-29486] (#1908003) - oxenstored: permissions not checked on root node [XSA-353, CVE-2020-29479] (#1908002) - FIFO event channels control block related ordering [XSA-358, CVE-2020-29570] (#1907931) - FIFO event channels control structure ordering [XSA-359, CVE-2020-29571] (#1908089) --------------------------------------------------------------------------------References: [ 1 ] Bug #1905623 - CVE-2020-29485 xen: oxenstored memory leak in reset_watches (XSA-330) https://bugzilla.redhat.com/show_bug.cgi?id=1905623 [ 2 ] Bug #1905626 - CVE-2020-29482 xen: Xenstore: wrong path length check (XSA-323) https://bugzilla.redhat.com/show_bug.cgi?id=1905626 [ 3 ] Bug #1905632 - CVE-2020-29481 xen: Xenstore: new domains inheriting existing node permissions (XSA-322) https://bugzilla.redhat.com/show_bug.cgi?id=1905632 [ 4 ] Bug #1905635 - CVE-2020-29484 xen: Xenstore: guests can crash xenstored via watchs (XSA-324) https://bugzilla.redhat.com/show_bug.cgi?id=1905635 [ 5 ] Bug #1905648 - CVE-2020-29483 xen: Xenstore: guests can disturb domain cleanup (XSA-325) https://bugzilla.redhat.com/show_bug.cgi?id=1905648 [ 6 ] Bug #1905652 - CVE-2020-29486 xen: oxenstored: node ownership can be changed by unprivileged clients (XSA-352) https://bugzilla.redhat.com/show_bug.cgi?id=1905652 [ 7 ] Bug #1905668 - CVE-2020-29479 xen: oxenstored: permissions not checked on root node (XSA-353) https://bugzilla.redhat.com/show_bug.cgi?id=1905668 [ 8 ] Bug #1905669 - CVE-2020-29566 xen: undue recursion in x86 HVM context switch code (XSA-348) https://bugzilla.redhat.com/show_bug.cgi?id=1905669 [ 9 ] Bug #1905672 - CVE-2020-29480 xen: xenstore watch notifications lacking permission checks (XSA-115) https://bugzilla.redhat.com/show_bug.cgi?id=1905672 [ 10 ] Bug #1905675 - CVE-2020-29570 xen: FIFO event channels control block related ordering (XSA-358) https://bugzilla.redhat.com/show_bug.cgi?id=1905675 [ 11 ] Bug #1905676 - CVE-2020-29571 xen: FIFO event channels control structure ordering https://bugzilla.redhat.com/show_bug.cgi?id=1905676 --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2020-df772b417b' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html All packages are signed with the Fedora Project GPG key. More details on the GPG keys used by the Fedora Project can be found at https://fedoraproject.org/security/ --------------------------------------------------------------------------------_______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe send an email to This email address is being protected from spambots. You need JavaScript enabled to view it. Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives:https://lists.fedoraproject.org/archives/list/This email address is being protected from spambots. You need JavaScript enabled to view it./ . Investigate significant enhancements in Fedora 32 focusing on Xen security flaws that could jeopardize operations and permit illicit entry.. Fedora Update, Xenstore Security, Permission Issues. . Severity: Important. LinuxSecurity.com Team

Calendar 2 Dec 24, 2020 Important Fedora
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[{"id":483,"title":"Self-taught through trial and error","votes":548,"type":"x","order":1,"pct":78.51,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.3,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.87,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.32,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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