Ubuntu Security Notice 4344-1 - It was discovered that the Intel Wi-Fi driver in the Linux kernel did not properly check for errors in some situations. A local attacker could possibly use this to cause a denial of service. It was discovered that the Intel WiMAX 2400 driver in the Linux kernel did not properly deallocate memory in certain situations. A local attacker could use this to cause a denial of service. Various other issues were also addressed.
95f2bfc5a03c043277848adb01fe1838Ubuntu Security Notice 4302-1 - Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested guest access the resources of a parent guest in certain situations. An attacker could use this to expose sensitive information. Gregory Herrero discovered that the fix for CVE-2019-14615 to address the Linux kernel not properly clearing data structures on context switches for certain Intel graphics processors was incomplete. A local attacker could use this to expose sensitive information. Various other issues were also addressed.
399774618ce50a03b46b4f27b7f87a67Ubuntu Security Notice 4286-2 - USN-4286-1 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 ESM. It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. Various other issues were also addressed.
aff5d99660a6cf45c6cd9363ec293dc7Ubuntu Security Notice 4286-1 - It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. It was discovered that a race condition existed in the Softmac USB Prism54 device driver in the Linux kernel. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.
8455aecab2d4723eb33c4d08058ff1deUbuntu Security Notice 4225-2 - USN-4225-1 fixed vulnerabilities in the Linux kernel for Ubuntu 19.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 19.10 for Ubuntu 18.04 LTS. It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
2d5ceaa9194d6f63659fa747cf422d27Ubuntu Security Notice 4225-1 - It was discovered that a heap-based buffer overflow existed in the Marvell WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a heap-based buffer overflow existed in the Marvell Libertas WLAN Driver for the Linux kernel. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.
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