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 --
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
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