Red Hat Security Advisory 2019-2043-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.
e071d742d6603367cb65da2c4efe950228d4321aa8233e8b9ddce2ca45118e06Red Hat Security Advisory 2019-2029-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.
bac8beb8ce1ab8e43186837924865c4859c9dd53f0986287f9d903fc550005c1It was discovered that an integer overflow vulnerability existed in the CDRom driver of the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leading to a double free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues were also addressed.
054a56994c9bd62549cd29e0464ca1a0a7be22a3004cc645c80c0b65070bbdc0It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service (system crash). Various other issues were also addressed.
fbe29704c99306a1bca47b078a9a33c2572ec3b421ae2b3cfb6ccde48d2a5412Ubuntu Security Notice 3822-2 - USN-3822-1 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. Jim Mattson discovered that the KVM implementation in the Linux kernel mismanages the #BP and #OF exceptions. A local attacker in a guest virtual machine could use this to cause a denial of service. Various other issues were also addressed.
12f251d1b02cc09b2a7869afca47e925382c2467ba8f6d0eadc536cd46f72f36Ubuntu Security Notice 3822-1 - Jim Mattson discovered that the KVM implementation in the Linux kernel mismanages the #BP and #OF exceptions. A local attacker in a guest virtual machine could use this to cause a denial of service. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Various other issues were also addressed.
9f6d94f1901e1160d9a212fff4c9f220ff1ecdd77f62d48385aa6a8148a71140Ubuntu Security Notice 3820-3 - Felix Wilhelm discovered that the Xen netback driver in the Linux kernel did not properly perform input validation in some situations. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Various other issues were also addressed.
27691f5c9bbbf2b22481fdaf983d898f49b6c8efcbae90eb0dd1b8f97d0bd701Ubuntu Security Notice 3820-2 - USN-3820-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Felix Wilhelm discovered that the Xen netback driver in the Linux kernel did not properly perform input validation in some situations. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
d909cd2e86e3dde5d46e66b9cb445a01b6dedcccaa02601d20cef8194c59b797Ubuntu Security Notice 3820-1 - Felix Wilhelm discovered that the Xen netback driver in the Linux kernel did not properly perform input validation in some situations. An attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the generic SCSI driver in the Linux kernel did not properly enforce permissions on kernel memory access. A local attacker could use this to expose sensitive information or possibly elevate privileges. Various other issues were also addressed.
33d95214e519f77560280b735b814c81a899f8a9f824d8f38c685c13950636c8Ubuntu Security Notice 3797-2 - USN-3797-1 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. Noam Rathaus discovered that a use-after-free vulnerability existed in the Infiniband implementation in the Linux kernel. An attacker could use this to cause a denial of service. Various other issues were also addressed.
fcfe969ee2f2de30c48af096d0d90e976029649357ff3de4385bb752f9ff023aUbuntu Security Notice 3797-1 - Noam Rathaus discovered that a use-after-free vulnerability existed in the Infiniband implementation in the Linux kernel. An attacker could use this to cause a denial of service. It was discovered that an integer overflow existed in the CD-ROM driver of the Linux kernel. A local attacker could use this to expose sensitive information. It was discovered that an integer overflow existed in the HID Bluetooth implementation in the Linux kernel that could lead to a buffer overwrite. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
238ceea5929a80898d5da54f43ed9ee667e49e84560780dbb617b5dff7489b20Debian Linux Security Advisory 4308-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.
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