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Fedora 36: FEDORA-2023-04b5338dd0 Critical: Xen Security Flaws

3 security issues (#2180425) x86 shadow plus log-dirty mode use-after-free [XSA-427, CVE-2022-42332] x86/HVM pinned cache attributes mis-handling [XSA-428, CVE-2022-42333, CVE-2022-42334] x86: speculative vulnerability in 32bit SYSCALL path [XSA-429, CVE-2022-42331]. --------------------------------------------------------------------------------Fedora Update Notification FEDORA-2023-04b5338dd0 2023-04-06 01:26:09.576470 --------------------------------------------------------------------------------Name : xen Product : Fedora 36 Version : 4.16.3 Release : 4.fc36 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: 3 security issues (#2180425) x86 shadow plus log-dirty mode use-after-free [XSA-427, CVE-2022-42332] x86/HVM pinned cache attributes mis-handling [XSA-428, CVE-2022-42333, CVE-2022-42334] x86: speculative vulnerability in 32bit SYSCALL path [XSA-429, CVE-2022-42331] --------------------------------------------------------------------------------ChangeLog: * Tue Mar 21 2023 Michael Young - 4.16.3-4 - 3 security issues (#2180425) x86 shadow plus log-dirty mode use-after-free [XSA-427, CVE-2022-42332] x86/HVM pinned cache attributes mis-handling [XSA-428, CVE-2022-42333, CVE-2022-42334] x86: speculative vulnerability in 32bit SYSCALL path [XSA-429, CVE-2022-42331] --------------------------------------------------------------------------------References: [ 1 ] Bug #2180424 - CVE-2022-42331 CVE-2022-42333 CVE-2022-42334 CVE-2022-42332 xen: Xen Security Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2180424 --------------------------------------------------------------------------------This update can be installed with the "dnf" update program.Use su -c 'dnf upgrade --advisory FEDORA-2023-04b5338dd0' 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./ Do not reply to spam, report it: . Several vulnerabilities in Xen for Fedora 36 were mitigated as detailed in advisory FEDORA-2023-04b5338dd0. Key issues rectified involve significant risks requiring immediate attention.. Fedora Security Advisory, Xen Update, Cache Mis-handling, Use-After-Free Issues. . Severity: Critical. LinuxSecurity.com Team

Apr 06, 2023 •Critical Fedora