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CVE-2019-8980

Status Candidate

Overview

A memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.

Related Files

Red Hat Security Advisory 2020-1567-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1567-01 - 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, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-10639, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-17053, CVE-2019-17055, CVE-2019-18805, CVE-2019-19057, CVE-2019-19073, CVE-2019-19074, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2019-8980, CVE-2020-1749
MD5 | ec8d8281d2addf6eda4cf0fadf921ae7
Red Hat Security Advisory 2020-1769-01
Posted Apr 28, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-1769-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include denial of service, information leakage, integer overflow, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2018-16871, CVE-2019-10639, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-17053, CVE-2019-17055, CVE-2019-18805, CVE-2019-19057, CVE-2019-19073, CVE-2019-19074, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2019-8980, CVE-2020-1749
MD5 | 98c2d2f24981ab95a830a2ac0663ca3c
Ubuntu Security Notice USN-3931-2
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3931-2 - USN-3931-1 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 and for the Linux Azure kernel for Ubuntu 14.04 LTS. M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not properly set up all arguments to an error handler callback used when running as a paravirtualized guest. An unprivileged attacker in a paravirtualized guest VM could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-14678, CVE-2018-18021, CVE-2018-19824, CVE-2019-3460, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8980, CVE-2019-9213
MD5 | 9df4a9429f2b343c6821c2ba1bac6165
Ubuntu Security Notice USN-3931-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3931-1 - M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not properly set up all arguments to an error handler callback used when running as a paravirtualized guest. An unprivileged attacker in a paravirtualized guest VM could use this to cause a denial of service. It was discovered that the KVM implementation in the Linux kernel on ARM 64bit processors did not properly handle some ioctls. An attacker with the privilege to create KVM-based virtual machines could use this to cause a denial of service or execute arbitrary code in the host. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2018-14678, CVE-2018-18021, CVE-2018-19824, CVE-2019-3460, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8980, CVE-2019-9213
MD5 | 9f1f75dea510a42aad60524b705fc805
Ubuntu Security Notice USN-3930-2
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3930-2 - USN-3930-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS. Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the Advanced Linux Sound Architecture subsystem. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-19824, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8956, CVE-2019-8980, CVE-2019-9003, CVE-2019-9162, CVE-2019-9213
MD5 | 9c768824f53a303a95665d17f07a9cae
Ubuntu Security Notice USN-3930-1
Posted Apr 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3930-1 - Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the Advanced Linux Sound Architecture subsystem. A physically proximate attacker could use this to cause a denial of service. Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information leak in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2018-19824, CVE-2019-6974, CVE-2019-7221, CVE-2019-7222, CVE-2019-7308, CVE-2019-8912, CVE-2019-8956, CVE-2019-8980, CVE-2019-9003, CVE-2019-9162, CVE-2019-9213
MD5 | 44762295a5d4aa774924b5f20c9e3872
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