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SUSE: 2022:0343-2 Critical: Kernel Vulnerabilities and Network Risks

An update that fixes two vulnerabilities is now available. . SUSE Security Update: Security update for xen ______________________________________________________________________________ Announcement ID: SUSE-SU-2022:0342-1 Rating: important References: #1194581 #1194588 Cross-References: CVE-2022-23034 CVE-2022-23035 CVSS scores: CVE-2022-23034 (NVD) : 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2022-23034 (SUSE): 4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2022-23035 (NVD) : 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2022-23035 (SUSE): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H Affected Products: SUSE Linux Enterprise Server 12-SP2-BCL ______________________________________________________________________________ An update that fixes two vulnerabilities is now available. Description: This update for xen fixes the following issues: - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a grant. (XSA-394) (bsc#1194581) - CVE-2022-23035: Fixed insufficient cleanup of passed-through device IRQs. (XSA-395) (bsc#1194588) Special Instructions and Notes: Please reboot the system after installing this update. 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 Server 12-SP2-BCL: zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2022-342=1 Package List: - SUSE Linux Enterprise Server 12-SP2-BCL (x86_64): xen-4.7.6_20-43.85.1 xen-debugsource-4.7.6_20-43.85.1 xen-doc-html-4.7.6_20-43.85.1 xen-libs-32bit-4.7.6_20-43.85.1 xen-libs-4.7.6_20-43.85.1 xen-libs-debuginfo-32bit-4.7.6_20-43.85.1 xen-libs-debuginfo-4.7.6_20-43.85.1 xen-tools-4.7.6_20-43.85.1 xen-tools-debuginfo-4.7.6_20-43.85.1 xen-tools-domU-4.7.6_20-43.85.1 xen-tools-domU-debuginfo-4.7.6_20-43.85.1 References: https://www.suse.com/security/cve/CVE-2022-23034.html https://www.suse.com/security/cve/CVE-2022-23035.html https://bugzilla.suse.com/1194581 https://bugzilla.suse.com/1194588 . Important Red Hat patch resolves multiple vulnerabilities in qemu, improving overall security and reliability.. SUSE Update, Xen Security, DoS Issue Fix. . Severity: Critical. LinuxSecurity.com Team

Feb 07, 2022 •Critical SuSE