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CVE-2021-3347

Status Candidate

Overview

An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.

Related Files

Red Hat Security Advisory 2021-2731-01
Posted Jul 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2731-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-33034, CVE-2021-3347, CVE-2021-33909
MD5 | 00c6ab3bd73470f7029f662af7896824
Red Hat Security Advisory 2021-2730-01
Posted Jul 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2730-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-33034, CVE-2021-3347, CVE-2021-33909
MD5 | 6c96e5474c42372170e9c9179f3c9227
Red Hat Security Advisory 2021-2732-01
Posted Jul 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2732-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-28374, CVE-2021-33034, CVE-2021-3347, CVE-2021-33909
MD5 | f83a52c33ab9bda403a34afb838ce647
Red Hat Security Advisory 2021-2735-01
Posted Jul 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2735-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include integer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-12362, CVE-2021-3347, CVE-2021-33909
MD5 | f875a8af1fa7cec89ebb496d8dc6d243
Red Hat Security Advisory 2021-2733-01
Posted Jul 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2733-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-33034, CVE-2021-3347, CVE-2021-33909
MD5 | 013bf36122c4d40b22e2fb6dd480f230
Red Hat Security Advisory 2021-2316-01
Posted Jun 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2316-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include integer overflow, null pointer, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-12362, CVE-2020-12363, CVE-2020-12364, CVE-2020-27170, CVE-2020-8648, CVE-2021-3347
MD5 | b8ec174de49a5fae5dcb14fbd3d50fd3
Red Hat Security Advisory 2021-2314-01
Posted Jun 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2314-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include integer overflow, null pointer, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-12362, CVE-2020-12363, CVE-2020-12364, CVE-2020-27170, CVE-2020-8648, CVE-2021-3347
MD5 | 2b5f18c2f2f0ad66a02e3c71019215be
COVID-19 Testing Management System 1.0 SQL Injection
Posted Jun 8, 2021
Authored by nu11secur1ty

COVID-19 Testing Management System version 1.0 remote SQL injection exploit based upon the original discovery by Rohit Burke in May of 2021.

tags | exploit, remote, sql injection
advisories | CVE-2021-33470
MD5 | 12bc9bc3329a4bc99a1d6ad5f44b6f45
Red Hat Security Advisory 2021-2285-01
Posted Jun 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2285-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2021-3347
MD5 | 5c20cc68cae8c7e269ed34d94c723796
Gentoo Linux Security Advisory 202105-17
Posted May 26, 2021
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202105-17 - A vulnerability in rxvt-unicode may allow a remote attacker to execute arbitrary code. Versions less than 9.22-r9 are affected.

tags | advisory, remote, arbitrary
systems | linux, gentoo
advisories | CVE-2021-33477
MD5 | 14684ee8186cca2074dc3016a5f15055
Red Hat Security Advisory 2021-2106-01
Posted May 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2106-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include integer overflow and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-12362, CVE-2020-28374, CVE-2021-3347
MD5 | 36a9c8ac7b70139f6cd33e85e9ff5c8d
Red Hat Security Advisory 2021-2099-01
Posted May 25, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2099-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-28374, CVE-2021-3347
MD5 | 8dcab109822f3b82ca874d54f2486ffd
Red Hat Security Advisory 2021-1429-01
Posted May 6, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1429-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include an XML injection vulnerability.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-25649, CVE-2021-20305, CVE-2021-2163, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3347, CVE-2021-3447
MD5 | 25c9b72c858aed26197391187cf2d3ee
Red Hat Security Advisory 2021-1448-01
Posted Apr 29, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1448-01 - Red Hat Advanced Cluster Management for Kubernetes 2.0.10 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. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-15586, CVE-2020-16845, CVE-2020-27152, CVE-2020-28362, CVE-2020-28374, CVE-2021-20305, CVE-2021-23358, CVE-2021-26708, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3347, CVE-2021-3449, CVE-2021-3450
MD5 | 5858c9ee6963bfd4463cba6e1e6d4385
Red Hat Security Advisory 2021-1379-01
Posted Apr 27, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1379-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include buffer overflow, denial of service, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-11669, CVE-2021-27364, CVE-2021-27365, CVE-2021-3347
MD5 | ced87dff7bd5149e6de2be1f89988a63
Red Hat Security Advisory 2021-1369-01
Posted Apr 26, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1369-01 - Red Hat Advanced Cluster Management for Kubernetes 2.1.6 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.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-14040, CVE-2020-27152, CVE-2020-28374, CVE-2020-35149, CVE-2021-20218, CVE-2021-20305, CVE-2021-26708, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3121, CVE-2021-3347, CVE-2021-3449, CVE-2021-3450
MD5 | 10b9a41396010eaaf5e7df268869b1e2
Red Hat Security Advisory 2021-1295-01
Posted Apr 21, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1295-01 - This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Issues addressed include buffer overflow, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-27364, CVE-2021-27365, CVE-2021-3347
MD5 | 5689d716efb7e1028211b4aae7416a96
Red Hat Security Advisory 2021-1272-01
Posted Apr 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1272-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3347
MD5 | d8727197ed9740775d56d47e2d2234af
Red Hat Security Advisory 2021-1279-01
Posted Apr 20, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1279-01 - 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, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3347
MD5 | 30b51a879589e5daec1e7b2575333cfb
Ubuntu Security Notice USN-4910-1
Posted Apr 13, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4910-1 - Ryota Shiga discovered that the sockopt BPF hooks in the Linux kernel could allow a user space program to probe for valid kernel addresses. A local attacker could use this to ease exploitation of another kernel vulnerability. It was discovered that the BPF verifier in the Linux kernel did not properly handle signed add32 and sub integer overflows. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-20239, CVE-2021-20268, CVE-2021-3178, CVE-2021-3347, CVE-2021-3348
MD5 | d7eb415bed1a211e71edee6d90a8ed16
Ubuntu Security Notice USN-4907-1
Posted Apr 13, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4907-1 - Wen Xu discovered that the xfs file system implementation in the Linux kernel did not properly validate the number of extents in an inode. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service. It was discovered that the priority inheritance futex implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-13095, CVE-2021-3347, CVE-2021-3348
MD5 | 2715302b59fea77c929d49d3d104d3c0
Red Hat Security Advisory 2021-1168-01
Posted Apr 13, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1168-01 - Red Hat Advanced Cluster Management for Kubernetes 2.2.2 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 code execution, denial of service, integer overflow, and null pointer vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-14040, CVE-2020-27152, CVE-2020-28374, CVE-2020-28500, CVE-2020-28851, CVE-2020-28852, CVE-2020-29529, CVE-2021-21321, CVE-2021-21322, CVE-2021-23337, CVE-2021-23840, CVE-2021-23841, CVE-2021-26708, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3121, CVE-2021-3347, CVE-2021-3449, CVE-2021-3450
MD5 | b9e0eefcc48c75875a38dd990028dd1a
Red Hat Security Advisory 2021-1093-01
Posted Apr 7, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1093-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-27152, CVE-2020-28374, CVE-2021-26708, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3347
MD5 | 5cd97afb5849f42c3e9017765e17a37f
Red Hat Security Advisory 2021-1081-01
Posted Apr 7, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-1081-01 - 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, out of bounds read, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2020-0466, CVE-2020-27152, CVE-2020-28374, CVE-2021-26708, CVE-2021-27363, CVE-2021-27364, CVE-2021-27365, CVE-2021-3347
MD5 | c13387ded30e131eec84c0c8bae119e8
Ubuntu Security Notice USN-4884-1
Posted Mar 22, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4884-1 - Loris Reiff discovered that the BPF implementation in the Linux kernel did not properly validate attributes in the getsockopt BPF hook. A local attacker could possibly use this to cause a denial of service. It was discovered that the priority inheritance futex implementation in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-20194, CVE-2021-3347, CVE-2021-3348
MD5 | d65259f1229a869c8e40f8221cabfb17
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