Red Hat Security Advisory 2019-1699-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include a denial of service vulnerability.
8a5ffed193127d301f910a707c542c6bRed Hat Security Advisory 2019-1602-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include a denial of service vulnerability.
cb1a4adb435d9854e70a042c08f9c786Red Hat Security Advisory 2019-1594-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include a denial of service vulnerability.
1774b94e55cc6f6aa7f8568ff2c9d10fJonathan Looney discovered that an integer overflow existed in the Linux kernel when handling TCP Selective Acknowledgments (SACKs). A remote attacker could use this to cause a denial of service (system crash). Jonathan Looney discovered that the TCP retransmission queue implementation in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service.
12a0c55fcb16b10cd0ab60c500a5dbdaDebian Linux Security Advisory 4465-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
a2e7d7ad8cd5265b8a90186bcd82ff4dNetflix has identified several TCP networking vulnerabilities in FreeBSD and Linux kernels. The vulnerabilities specifically relate to the minimum segment size (MSS) and TCP Selective Acknowledgement (SACK) capabilities. The most serious, dubbed _"SACK Panic_," allows a remotely-triggered kernel panic on recent Linux kernels. There are patches that address most of these vulnerabilities. If patches can not be applied, certain mitigations will be effective.
2c46702ff7e7c931dd0a108fe8cfe05dUbuntu Security Notice 4017-1 - Jonathan Looney discovered that the TCP retransmission queue implementation in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment sequences. A remote attacker could use this to cause a denial of service. Jonathan Looney discovered that an integer overflow existed in the Linux kernel when handling TCP Selective Acknowledgments. A remote attacker could use this to cause a denial of service. Various other issues were also addressed.
7a1357fe2ddac55f027509629ebc2f26Ubuntu Security Notice 4017-2 - USN-4017-1 fixed vulnerabilities in the Linux kernel for Ubuntu. This update provides the corresponding updates for the Linux kernel for Ubuntu 16.04 ESM and Ubuntu 14.04 ESM. Jonathan Looney discovered that the TCP retransmission queue implementation in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment sequences. A remote attacker could use this to cause a denial of service. Various other issues were also addressed.
4904f112d709ed4618af79e5da26a1d7Red Hat Security Advisory 2019-1487-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include a denial of service vulnerability.
297d0a5fee5b92247c7753bda16c11ddRed Hat Security Advisory 2019-1480-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include denial of service and null pointer vulnerabilities.
e48c2493bf54fe9c5107fa393402498cRed Hat Security Advisory 2019-1486-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include a denial of service vulnerability.
be492b729ad559280a30c04391cde78bRed Hat Security Advisory 2019-1484-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
b8e3e5ccc9ad8795ea5b13709dd46843Red Hat Security Advisory 2019-1490-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
a7c9e1aafbf5889659616bdb3add86ccRed Hat Security Advisory 2019-1485-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
0a7f981dcb4291b9e74b0d265f202fc0Red Hat Security Advisory 2019-1489-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
25808b39f25f0a86209ef002f90e0934Red Hat Security Advisory 2019-1483-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
53b9818bb1e288f064583d003e11f5f2Red Hat Security Advisory 2019-1482-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
9b1e7306fc16ff68908373eda7c85501Red Hat Security Advisory 2019-1481-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
f456c156d69955016e6c78d40b258445Red Hat Security Advisory 2019-1488-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a denial of service vulnerability.
33a8de1c2c07101ed37414e7309d6bb8Red Hat Security Advisory 2019-1479-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service and null pointer vulnerabilities.
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