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ID de Prueba: | 1.3.6.1.4.1.25623.1.0.843648 |
Categoría: | Ubuntu Local Security Checks |
Título: | Ubuntu Update for linux USN-3775-1 |
Resumen: | The remote host is missing an update for the 'linux'; package(s) announced via the referenced advisory. |
Descripción: | Summary: The remote host is missing an update for the 'linux' package(s) announced via the referenced advisory. Vulnerability Insight: It was discovered that the paravirtualization implementation in the Linux kernel did not properly handle some indirect calls, reducing the effectiveness of Spectre v2 mitigations for paravirtual guests. A local attacker could use this to expose sensitive information. (CVE-2018-15594) It was discovered that microprocessors utilizing speculative execution and prediction of return addresses via Return Stack Buffer (RSB) may allow unauthorized memory reads via sidechannel attacks. An attacker could use this to expose sensitive information. (CVE-2018-15572) It was discovered that an integer overflow vulnerability existed in the Linux kernel when loading an executable to run. A local attacker could use this to gain administrative privileges. (CVE-2018-14634) It was discovered that a stack-based buffer overflow existed in the iSCSI target implementation of the Linux kernel. A remote attacker could use this to cause a denial of service (system crash). (CVE-2018-14633) It was discovered that a memory leak existed in the IRDA subsystem of the Linux kernel. A local attacker could use this to cause a denial of service (kernel memory exhaustion). (CVE-2018-6554) It was discovered that a use-after-free vulnerability existed in the IRDA implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-6555) Affected Software/OS: linux on Ubuntu 14.04 LTS Solution: Please install the updated packages. CVSS Score: 8.3 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:C |
Referencia Cruzada: |
Common Vulnerability Exposure (CVE) ID: CVE-2018-6554 BugTraq ID: 105302 http://www.securityfocus.com/bid/105302 Debian Security Information: DSA-4308 (Google Search) https://www.debian.org/security/2018/dsa-4308 https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html https://www.spinics.net/lists/stable/msg255030.html https://www.spinics.net/lists/stable/msg255034.html https://usn.ubuntu.com/3775-1/ https://usn.ubuntu.com/3775-2/ https://usn.ubuntu.com/3776-1/ https://usn.ubuntu.com/3776-2/ https://usn.ubuntu.com/3777-1/ https://usn.ubuntu.com/3777-2/ https://usn.ubuntu.com/3777-3/ Common Vulnerability Exposure (CVE) ID: CVE-2018-6555 BugTraq ID: 105304 http://www.securityfocus.com/bid/105304 https://www.spinics.net/lists/stable/msg255031.html https://www.spinics.net/lists/stable/msg255035.html |
Copyright | Copyright (C) 2018 Greenbone Networks GmbH |
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