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CVE-2020-29368

Status Candidate

Overview

An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.

Related Files

Red Hat Security Advisory 2022-6053-01
Posted Aug 23, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-6053-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.7.56.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-29368, CVE-2021-4197, CVE-2021-4203, CVE-2022-1012, CVE-2022-1729, CVE-2022-21540, CVE-2022-21541, CVE-2022-30631, CVE-2022-32250, CVE-2022-34169
SHA-256 | a7ccf49e5d5fabb893201270bb9b906591faff1cc62baab74a3927a8077a758c
Red Hat Security Advisory 2022-5879-01
Posted Aug 10, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5879-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.9.45.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-29368, CVE-2021-4197, CVE-2021-4203, CVE-2022-1012, CVE-2022-1729, CVE-2022-21540, CVE-2022-21541, CVE-2022-2403, CVE-2022-32250, CVE-2022-34169
SHA-256 | 954ba3d44e847b38ef08b306ba9eb1fd6b913c197417c0c9e44eb925170f6b84
Red Hat Security Advisory 2022-5730-01
Posted Aug 4, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5730-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.10.25.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-29368, CVE-2021-4197, CVE-2021-4203, CVE-2022-1012, CVE-2022-1729, CVE-2022-21540, CVE-2022-21541, CVE-2022-23772, CVE-2022-24675, CVE-2022-24921, CVE-2022-32250, CVE-2022-34169
SHA-256 | e525d06407e4223a8a0233610319ed4f467126b67fe9026741ae52cbd2b2d4e3
Red Hat Security Advisory 2022-5626-01
Posted Jul 27, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5626-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include information leakage, memory leak, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2020-29368, CVE-2021-4197, CVE-2021-4203, CVE-2022-1012, CVE-2022-1729, CVE-2022-32250
SHA-256 | da915e732da46c5e5a9301aa96e4776d99a12c9828ca044e9ab20b0552fa0cee
Red Hat Security Advisory 2022-5633-01
Posted Jul 27, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5633-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include information leakage, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-29368, CVE-2021-4197, CVE-2021-4203, CVE-2022-1012, CVE-2022-1729, CVE-2022-32250
SHA-256 | 4d0cfa27ae3862f0fc26767d832abe7ef9ed85fe0c95dc9146bce5dd62c81ef7
Red Hat Security Advisory 2022-5220-01
Posted Jun 29, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5220-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, information leakage, memory leak, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2020-29368, CVE-2022-1012, CVE-2022-1729, CVE-2022-1966, CVE-2022-27666
SHA-256 | d235089aa486460b95ba63e4f9b401e13d9c5735ac72bcbbd7294c2f50d63512
Red Hat Security Advisory 2022-5224-01
Posted Jun 28, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-5224-01 - 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, information leakage, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-29368, CVE-2022-1012, CVE-2022-1729, CVE-2022-1966, CVE-2022-27666
SHA-256 | cf2209ef5b5bf17b9c809a07608c00d1e4d6b97951545747f05996c767fc8084
Red Hat Security Advisory 2021-4140-02
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4140-02 - 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, bypass, denial of service, double free, heap overflow, information leakage, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0427, CVE-2020-24502, CVE-2020-24503, CVE-2020-24504, CVE-2020-24586, CVE-2020-24587, CVE-2020-24588, CVE-2020-26139, CVE-2020-26140, CVE-2020-26141, CVE-2020-26143, CVE-2020-26144, CVE-2020-26145, CVE-2020-26146, CVE-2020-26147, CVE-2020-29368, CVE-2020-29660, CVE-2020-36158, CVE-2020-36386, CVE-2021-0129, CVE-2021-20194, CVE-2021-20239, CVE-2021-23133, CVE-2021-28950, CVE-2021-28971, CVE-2021-29155
SHA-256 | 06051ab16cb42d450d376dba8b9418f4b1e3e84d93535dfa51d4c79b9b2affd5
Red Hat Security Advisory 2021-4356-28
Posted Nov 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-4356-28 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, bypass, denial of service, double free, heap overflow, information leakage, null pointer, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0427, CVE-2020-24502, CVE-2020-24503, CVE-2020-24504, CVE-2020-24586, CVE-2020-24587, CVE-2020-24588, CVE-2020-26139, CVE-2020-26140, CVE-2020-26141, CVE-2020-26143, CVE-2020-26144, CVE-2020-26145, CVE-2020-26146, CVE-2020-26147, CVE-2020-27777, CVE-2020-29368, CVE-2020-29660, CVE-2020-36158, CVE-2020-36386, CVE-2021-0129, CVE-2021-20194, CVE-2021-20239, CVE-2021-23133, CVE-2021-28950, CVE-2021-28971
SHA-256 | 4dfc7aebdc7ac022001a4c7d69c2bd52229c03ec9dfec7f38b9b87cefa159f78
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
SHA-256 | 9d423aca91d7f1b70463a45e888e4c441f17d4136f7beccf8bf581dc633b7a2e
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