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CVE-2020-15436

Status Candidate

Overview

Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.

Related Files

Red Hat Security Advisory 2021-0719-01
Posted Mar 4, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0719-01 - Red Hat Advanced Cluster Management for Kubernetes 2.0.8 images. Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which resolve some security issues and bugs.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-10543, CVE-2020-10878, CVE-2020-12723, CVE-2020-14351, CVE-2020-15436, CVE-2020-25705, CVE-2020-29661, CVE-2020-35513, CVE-2021-20230, CVE-2021-3121
MD5 | 710e5973820f10de3dd34c4ac2b87276
Ubuntu Security Notice USN-4752-1
Posted Feb 25, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4752-1 - Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen discovered that legacy pairing and secure-connections pairing authentication in the Bluetooth protocol could allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. A physically proximate attacker could use this to impersonate a previously paired Bluetooth device. Jay Shin discovered that the ext4 file system implementation in the Linux kernel did not properly handle directory access with broken indexing, leading to an out-of-bounds read vulnerability. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, protocol
systems | linux, ubuntu
advisories | CVE-2020-10135, CVE-2020-14314, CVE-2020-15436, CVE-2020-15437, CVE-2020-24490, CVE-2020-25212, CVE-2020-25284, CVE-2020-25641, CVE-2020-25643, CVE-2020-25704, CVE-2020-27152, CVE-2020-27815, CVE-2020-28588, CVE-2020-28915, CVE-2020-29368, CVE-2020-29369, CVE-2020-29371, CVE-2020-29660, CVE-2020-29661, CVE-2020-35508
MD5 | 9add7841f0ccf8f64e1da83e75e06c64
Red Hat Security Advisory 2021-0338-01
Posted Feb 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0338-01 - 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 use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-15436, CVE-2020-35513
MD5 | 622a677916efe5c5b11e12950ab8bf03
Red Hat Security Advisory 2021-0336-01
Posted Feb 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0336-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-15436, CVE-2020-35513
MD5 | f44a5df5279667be9b9e82ed77f90f2e
Red Hat Security Advisory 2021-0354-01
Posted Feb 2, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0354-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-15436, CVE-2020-1749, CVE-2020-29661
MD5 | b37b38356982e78ff86c720ade552d87
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