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CVE-2021-3752

Status Candidate

Overview

A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Related Files

Ubuntu Security Notice USN-5513-1
Posted Jul 14, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5513-1 - Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. Likang Luo discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2021-3609, CVE-2021-3752, CVE-2021-3760, CVE-2021-39685, CVE-2021-39714, CVE-2021-4197, CVE-2021-4202, CVE-2022-0330, CVE-2022-1353, CVE-2022-1419, CVE-2022-1652, CVE-2022-1679, CVE-2022-1734, CVE-2022-21123
SHA-256 | aa2f261521982c7e98a19c7fd5782db12c5ec4499d9b70d7f939a2a3877280a6
Ubuntu Security Notice USN-5505-1
Posted Jul 7, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5505-1 - Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. Likang Luo discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2021-3609, CVE-2021-3752, CVE-2021-3760, CVE-2021-39685, CVE-2021-39714, CVE-2021-4197, CVE-2021-4202, CVE-2022-0330, CVE-2022-1353, CVE-2022-1419, CVE-2022-1652, CVE-2022-1679, CVE-2022-1734, CVE-2022-21123
SHA-256 | 65c7cf415eb9d0708f18b8df33c056c6e85baae997fefc51c63f2f7a6d1ab080
Red Hat Security Advisory 2022-4956-01
Posted Jun 9, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-4956-01 - Red Hat Advanced Cluster Management for Kubernetes 2.5.0 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 fix several bugs and security issues. Issues addressed include privilege escalation and traversal vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2020-0404, CVE-2020-13974, CVE-2020-19131, CVE-2020-27820, CVE-2020-4788, CVE-2021-0941, CVE-2021-20322, CVE-2021-21781, CVE-2021-26401, CVE-2021-29154, CVE-2021-3612, CVE-2021-3634, CVE-2021-3669, CVE-2021-37159, CVE-2021-3737, CVE-2021-3743, CVE-2021-3744, CVE-2021-3752, CVE-2021-3759, CVE-2021-3764, CVE-2021-3772, CVE-2021-3773, CVE-2021-3918, CVE-2021-4002, CVE-2021-4037, CVE-2021-4083, CVE-2021-41190, CVE-2021-4157
SHA-256 | 878315e02041e8cdde9d1b5e67ed064f3cf0e6605b2eb860d63e94f3d703f519
Red Hat Security Advisory 2022-4814-01
Posted May 31, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-4814-01 - The Migration Toolkit for Containers enables you to migrate Kubernetes resources, persistent volume data, and internal container images between OpenShift Container Platform clusters, using the MTC web console or the Kubernetes API. Issues addressed include denial of service and memory exhaustion vulnerabilities.

tags | advisory, web, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-25032, CVE-2020-0404, CVE-2020-13974, CVE-2020-19131, CVE-2020-27820, CVE-2020-35492, CVE-2020-4788, CVE-2021-0941, CVE-2021-20322, CVE-2021-21781, CVE-2021-26401, CVE-2021-29154, CVE-2021-3612, CVE-2021-3634, CVE-2021-3669, CVE-2021-37159, CVE-2021-3737, CVE-2021-3743, CVE-2021-3744, CVE-2021-3752, CVE-2021-3759, CVE-2021-3764, CVE-2021-3772, CVE-2021-3773, CVE-2021-3807, CVE-2021-39293, CVE-2021-4002
SHA-256 | de3fa8ee040cf6c28c1affa37a50086f48d77a4fce95eaf6d26445098ef47a20
Red Hat Security Advisory 2022-1988-01
Posted May 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1988-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, denial of service, information leakage, integer overflow, memory leak, out of bounds read, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2020-0404, CVE-2020-13974, CVE-2020-27820, CVE-2020-4788, CVE-2021-0941, CVE-2021-20322, CVE-2021-21781, CVE-2021-26401, CVE-2021-29154, CVE-2021-3612, CVE-2021-3669, CVE-2021-37159, CVE-2021-3743, CVE-2021-3744, CVE-2021-3752, CVE-2021-3759, CVE-2021-3764, CVE-2021-3772, CVE-2021-3773, CVE-2021-4002, CVE-2021-4037, CVE-2021-4083, CVE-2021-4157, CVE-2021-41864, CVE-2021-4197, CVE-2021-4203, CVE-2021-42739, CVE-2021-4305
SHA-256 | 37a2bc5df5427ed04000a8d10823bd2aed8f25a960acdbe741e5cfa028d617df
Red Hat Security Advisory 2022-1975-01
Posted May 11, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-1975-01 - 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, integer overflow, out of bounds read, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0404, CVE-2020-13974, CVE-2020-27820, CVE-2021-0941, CVE-2021-20322, CVE-2021-26401, CVE-2021-29154, CVE-2021-3612, CVE-2021-3669, CVE-2021-37159, CVE-2021-3743, CVE-2021-3744, CVE-2021-3752, CVE-2021-3759, CVE-2021-3764, CVE-2021-3772, CVE-2021-3773, CVE-2021-4002, CVE-2021-4037, CVE-2021-4083, CVE-2021-4157, CVE-2021-41864, CVE-2021-4197, CVE-2021-4203, CVE-2021-42739, CVE-2021-43389, CVE-2021-43976
SHA-256 | 76e7a83f67a9594d044f0555940c9cdc95fcacfd7cb6fe3ce07a4e4115106e22
Red Hat Security Advisory 2022-0620-01
Posted Feb 23, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0620-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include double free, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0465, CVE-2020-0466, CVE-2021-0920, CVE-2021-3564, CVE-2021-3573, CVE-2021-3752, CVE-2021-4155, CVE-2022-0330, CVE-2022-22942
SHA-256 | 63324cce18db8d1f06bc8d01cde1688dfbe96f1be29a3d711888a743dee833d0
Red Hat Security Advisory 2022-0622-01
Posted Feb 23, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-0622-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include double free, out of bounds write, privilege escalation, and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0465, CVE-2020-0466, CVE-2021-0920, CVE-2021-3564, CVE-2021-3573, CVE-2021-3752, CVE-2021-4155, CVE-2022-0330, CVE-2022-22942
SHA-256 | 1abf9ccc7a6610c1e2f76510441d10c8276850c7233a64d96784a8a539ab2872
Ubuntu Security Notice USN-5267-3
Posted Feb 17, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5267-3 - USN-5267-1 fixed vulnerabilities in the Linux kernel. This update provides the corresponding updates for the Linux kernel for Raspberry Pi devices. It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-3640, CVE-2021-3752, CVE-2021-42739
SHA-256 | 4a5754d3205b26805abdee8471083dc8dc84e0eb92a3e64f7fad52257c035f4c
Ubuntu Security Notice USN-5267-2
Posted Feb 9, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5267-2 - USN-5267-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression that caused the kernel to freeze when accessing CIFS shares in some situations. This update fixes the problem.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-3640, CVE-2021-3752, CVE-2021-42739
SHA-256 | 1fa802d233f94d6e25c95108667119d85ca0d36cae93f6c46bb286febc0cf8da
Ubuntu Security Notice USN-5268-1
Posted Feb 3, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5268-1 - Keyu Man discovered that the ICMP implementation in the Linux kernel did not properly handle received ICMP error packets. A remote attacker could use this to facilitate attacks on UDP based services that depend on source port randomization. It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, arbitrary, kernel, local, udp
systems | linux, ubuntu
advisories | CVE-2021-20322, CVE-2021-3640, CVE-2021-3752, CVE-2021-42739
SHA-256 | b8ba9e5c3e6439e47e28cee9eee4587c8f0d9fce5daef2974af08b9d6e1a91e8
Ubuntu Security Notice USN-5267-1
Posted Feb 3, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5267-1 - It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Likang Luo discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-3640, CVE-2021-3752, CVE-2021-42739
SHA-256 | 60617003df6660f9983fff1c2b80b1947ece89928c93e406ca26afce7c3ebf67
Ubuntu Security Notice USN-5265-1
Posted Feb 3, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5265-1 - Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically proximate attacker could use this to cause a denial of service. It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-27820, CVE-2021-3640, CVE-2021-3752, CVE-2021-3772, CVE-2021-4001, CVE-2021-4090, CVE-2021-4093, CVE-2021-4202, CVE-2021-42327, CVE-2021-42739
SHA-256 | 7e0f9271a061ce26f953885a06bf885e09f3bf96703739534c4177eca1b1fff1
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