Gentoo Linux Security Advisory 201810-6 - Multiple vulnerabilities have been found in Xen, the worst of which could cause a Denial of Service condition. Versions less than 4.10.1-r2 are affected.
9eda1febf30dabcc3f4d7adedc9b7802Ubuntu Security Notice 3777-3 - USN-3777-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 %LTS. This update provides the corresponding updates for the Linux kernel for Azure Cloud systems. Jann Horn discovered that the vmacache subsystem did not properly handle sequence number overflows, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or execute arbitrary code. Various other issues were also addressed.
9d5422023e24d370d36309f152f01b10Ubuntu Security Notice 3690-2 - USN-3690-1 provided updated microcode for AMD processors to address CVE-2017-5715. Unfortunately, the update caused some systems to fail to boot. This update reverts the update for Ubuntu 14.04 LTS. Various other issues were also addressed.
7bce549e83e38662cea793964ee2cd94Ubuntu Security Notice 3690-1 - Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provides the microcode updates for AMD 17H family processors required for the corresponding Linux kernel updates.
ae1e073f1e15a74b2954bb007e352225Micro Focus Security Bulletin MFSBGN03802 2 - A potential vulnerability has been identified in 3rd party component used by Micro Focus Virtualization Performance Viewer (vPV) / Cloud Optimizer Virtual Appliance. The vulnerability could be exploited to Local Disclosure of Information. Revision 2 of this advisory.
e2f7acf6a06b3ae37b784fd77b42ca28Debian Linux Security Advisory 4188-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
40218a570ce7c1511b3faa47a7e18487Debian Linux Security Advisory 4187-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
8f53637cc7f7ef1bdf7110ecc11496aaRed Hat Security Advisory 2018-1252-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed relate to speculative execution.
c8a24214b73eb555978b4c9b851b478cMicro Focus Security Bulletin MFSBGN03802 1 - A potential vulnerability has been identified in Micro Focus Virtualization Performance Viewer (vPV) / Cloud Optimizer. The vulnerability could be exploited to Local Disclosure of Information. Revision 1 of this advisory.
1e97454b4f308933230d0c0de9745194Gentoo Linux Security Advisory 201804-8 - Multiple vulnerabilities have been found in QEMU, the worst of which may allow an attacker to execute arbitrary code. Versions less than 2.11.1-r1 are affected.
c969153354519977c6d88060ae101ad8Ubuntu Security Notice 3620-2 - USN-3620-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. Various other issues were also addressed.
ec75abebcf0b7cadfae002c5506f6aabUbuntu Security Notice 3531-3 - Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provides the corrected microcode updates required for the corresponding Linux kernel updates.
a620f809a35de4c1fbb8c1eec20df95bUbuntu Security Notice 3597-2 - USN-3597-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. USNS 3541-2 and 3523-2 provided mitigations for Spectre and Meltdown for the i386, amd64, and ppc64el architectures for Ubuntu 16.04 LTS. This update provides the corresponding mitigations for the arm64 architecture. Various other issues were also addressed.
fd7462c0473a39758790170c8a75e177Ubuntu Security Notice 3597-1 - USNS 3541-1 and 3523-1 provided mitigations for Spectre and Meltdown for the i386, amd64, and ppc64el architectures in Ubuntu 17.10. This update provides the corresponding mitigations for the arm64 architecture. Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory. Various other issues were also addressed.
e93918164a75a0ef395ad162f045c54eFreeBSD Security Advisory - A number of issues relating to speculative execution were found last year and publicly announced January 3rd. Two of these, known as Meltdown and Spectre V2, are addressed here.
a26c0e3e31cfe9f94c14cc22c3de9089Ubuntu Security Notice 3594-1 - USN-3542-1 mitigatedCVE-2017-5715 for the amd64 architecture in Ubuntu 14.04 LTS. This update provides the compiler-based retpoline kernel mitigation for the amd64 and i386 architectures. Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. Various other issues were also addressed.
2252f47877a929a0f698d39f79660fd5On February 22, fixes for CVE-2017-5715 were released into the Ubuntu Xenial kernel version 4.4.0-116.140. This CVE, also known as "Spectre," is caused by flaws in the design of speculative execution hardware in the computer's CPU, and could be used to access sensitive information in kernel memory.
95a67778ff266fb5d137537edcd1a426Debian Linux Security Advisory 4120-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
87f0dca6b1b225ebfb15055fac6299cfUbuntu Security Notice 3582-2 - USN-3582-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
587cb9ef4fb21c7488d73d97033aa051Ubuntu Security Notice 3582-1 - Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Laurent Guerby discovered that the mbcache feature in the ext2 and ext4 filesystems in the Linux kernel improperly handled xattr block caching. A local attacker could use this to cause a denial of service. Various other issues were also addressed.
7c867a8643606e86327bf1724e3a46daUbuntu Security Notice 3581-2 - USN-3581-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
7fdede0e39ae00638778b9bf284ef71dUbuntu Security Notice 3581-1 - Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. ChunYu Wang discovered that a use-after-free vulnerability existed in the SCTP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service or possibly execute arbitrary code, Various other issues were also addressed.
5dd450ca1fbdd3139e2d0a7cecf19bc3Ubuntu Security Notice 3580-1 - Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory.
5cd5f937c9a4f68d07be05dca40f5d41Red Hat Security Advisory 2018-0292-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: An industry-wide issue was found in the way many modern microprocessor designs have implemented speculative execution of instructions. There are three primary variants of the issue which differ in the way the speculative execution can be exploited. Note: This issue is present in hardware and cannot be fully fixed via software update. The updated kernel packages provide software mitigation for this hardware issue at a cost of potential performance penalty.
45f9b9030ba7dd1e43a55cdeb2d12c06VMware Security Advisory 2018-0007 - VMware Virtual Appliance updates address side-channel analysis due to speculative execution.
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