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[{"id":483,"title":"Self-taught through trial and error","votes":555,"type":"x","order":1,"pct":78.72,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.26,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.82,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.2,"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 37: 2022-9f51d13fa3 Critical: Xenstore Crash and Memory Issues

x86: Multiple speculative security issues [XSA-422, CVE-2022-23824] ---- x86: unintended memory sharing between guests [XSA-412, CVE-2022-42327] Xenstore: Guests can crash xenstored [XSA-414, CVE-2022-42309] Xenstore: Guests can create orphaned Xenstore nodes [XSA-415, CVE-2022-42310] Xenstore: guests can let run xenstored out of memory [XSA-326, CVE-2022-42311, CVE-2022-42312,. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2022-9f51d13fa3 2022-11-24 01:24:26.774334 --------------------------------------------------------------------------------Name : xen Product : Fedora 37 Version : 4.16.2 Release : 4.fc37 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: x86: Multiple speculative security issues [XSA-422, CVE-2022-23824] ---- x86: unintended memory sharing between guests [XSA-412, CVE-2022-42327] Xenstore: Guests can crash xenstored [XSA-414, CVE-2022-42309] Xenstore: Guests can create orphaned Xenstore nodes [XSA-415, CVE-2022-42310] Xenstore: guests can let run xenstored out of memory [XSA-326, CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314, CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318] Xenstore: Guests can cause Xenstore to not free temporary memory [XSA-416, CVE-2022-42319] Xenstore: Guests can get access to Xenstore nodes of deleted domains [XSA-417, CVE-2022-42320] Xenstore: Guests can crash xenstored via exhausting the stack [XSA-418, CVE-2022-42321] Xenstore: Cooperating guests can create arbitrary numbers of nodes [XSA-419, CVE-2022-42322, CVE-2022-42323] Oxenstored 32-> 31 bit integer truncation issues [XSA-420, CVE-2022-42324] Xenstore: Guests can create arbitrary numberof nodes via transactions [XSA-421, CVE-2022-42325, CVE-2022-42326] --------------------------------------------------------------------------------ChangeLog: * Tue Nov 8 2022 Michael Young - 4.16.2-4 - x86: Multiple speculative security issues [XSA-422, CVE-2022-23824] * Tue Nov 1 2022 Michael Young - 4.16.2-3 - x86: unintended memory sharing between guests [XSA-412, CVE-2022-42327] - Xenstore: Guests can crash xenstored [XSA-414, CVE-2022-42309] - Xenstore: Guests can create orphaned Xenstore nodes [XSA-415, CVE-2022-42310] - Xenstore: guests can let run xenstored out of memory [XSA-326, CVE-2022-42311, CVE-2022-42312, CVE-2022-42313, CVE-2022-42314, CVE-2022-42315, CVE-2022-42316, CVE-2022-42317, CVE-2022-42318] - Xenstore: Guests can cause Xenstore to not free temporary memory [XSA-416, CVE-2022-42319] - Xenstore: Guests can get access to Xenstore nodes of deleted domains [XSA-417, CVE-2022-42320] - Xenstore: Guests can crash xenstored via exhausting the stack [XSA-418, CVE-2022-42321] - Xenstore: Cooperating guests can create arbitrary numbers of nodes [XSA-419, CVE-2022-42322, CVE-2022-42323] - Oxenstored 32-> 31 bit integer truncation issues [XSA-420, CVE-2022-42324] - Xenstore: Guests can create arbitrary number of nodes via transactions [XSA-421, CVE-2022-42325, CVE-2022-42326] --------------------------------------------------------------------------------This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2022-9f51d13fa3' 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 --------------------------------------------------------------------------------_______________________________________________ package-announce mailing list -- This email address is being protected from spambots. You need JavaScript enabled to view it. To unsubscribe sendan 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./ Do not reply to spam, report it: . The latest Xen security notice highlights various speculative vulnerabilities as well as risks associated with Xenstore within the Fedora ecosystem. Ensure you're informed!. Fedora Xen Security, Memory Sharing Issues, Xenstore Crash Threats. . Severity: Critical. LinuxSecurity.com Team

Calendar%202 Nov 23, 2022 Critical Fedora
100

SUSE: 2022:3728-1 Important: Xen DoS and Memory Sharing Issues

An update that fixes 7 vulnerabilities is now available. . SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:3728-1 Rating: important References: #1185104 #1200762 #1203806 #1203807 Cross-References: CVE-2021-28689 CVE-2022-26365 CVE-2022-33740 CVE-2022-33741 CVE-2022-33742 CVE-2022-33746 CVE-2022-33748 CVSS scores: CVE-2021-28689 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2021-28689 (SUSE): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVE-2022-26365 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2022-26365 (SUSE): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H CVE-2022-33740 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2022-33740 (SUSE): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H CVE-2022-33741 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2022-33741 (SUSE): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H CVE-2022-33742 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVE-2022-33742 (SUSE): 6.6 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H CVE-2022-33746 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-33746 (SUSE): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H CVE-2022-33748 (NVD) : 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H CVE-2022-33748 (SUSE): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H Affected Products: SUSE Linux Enterprise Server 12-SP5 SUSE Linux Enterprise Server for SAP Applications 12-SP5 SUSE Linux Enterprise Software Development Kit12-SP5 ______________________________________________________________________________ An update that fixes 7 vulnerabilities is now available. Description: This update for xen fixes the following issues: - CVE-2022-26365: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762). - CVE-2022-33740: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762). - CVE-2022-33741: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762). - CVE-2022-33742: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762). - CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#1203806). - CVE-2021-28689: Fixed speculative vulnerabilities with bare (non-shim) 32-bit PV guests (bsc#1185104). - CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807). Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - SUSE Linux Enterprise Software Development Kit 12-SP5: zypper in -t patch SUSE-SLE-SDK-12-SP5-2022-3728=1 - SUSE Linux Enterprise Server 12-SP5: zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-3728=1 Package List: - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 x86_64): xen-debugsource-4.12.4_28-3.77.1 xen-devel-4.12.4_28-3.77.1 - SUSE Linux Enterprise Server 12-SP5 (x86_64): xen-4.12.4_28-3.77.1 xen-debugsource-4.12.4_28-3.77.1 xen-doc-html-4.12.4_28-3.77.1 xen-libs-32bit-4.12.4_28-3.77.1 xen-libs-4.12.4_28-3.77.1 xen-libs-debuginfo-32bit-4.12.4_28-3.77.1 xen-libs-debuginfo-4.12.4_28-3.77.1 xen-tools-4.12.4_28-3.77.1 xen-tools-debuginfo-4.12.4_28-3.77.1 xen-tools-domU-4.12.4_28-3.77.1 xen-tools-domU-debuginfo-4.12.4_28-3.77.1 References: https://www.suse.com/security/cve/CVE-2021-28689.html https://www.suse.com/security/cve/CVE-2022-26365.html https://www.suse.com/security/cve/CVE-2022-33740.html https://www.suse.com/security/cve/CVE-2022-33741.html https://www.suse.com/security/cve/CVE-2022-33742.html https://www.suse.com/security/cve/CVE-2022-33746.html https://www.suse.com/security/cve/CVE-2022-33748.html https://bugzilla.suse.com/1185104 https://bugzilla.suse.com/1200762 https://bugzilla.suse.com/1203806 https://bugzilla.suse.com/1203807 . Canonical reveals a critical patch for OpenStack addressing 5 vulnerabilities related to remote access and data leakage risks.. SUSE Linux Update,xen Security Fix,DoS Vulnerability Patch,Memory Sharing Issues. . Severity: Important. LinuxSecurity.com Team

Calendar%202 Oct 25, 2022 Important SuSE
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[{"id":483,"title":"Self-taught through trial and error","votes":555,"type":"x","order":1,"pct":78.72,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.26,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.82,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.2,"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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