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CVE-2021-3715

Status Candidate

Overview

A flaw was found in the "Routing decision" classifier in the Linux kernel's Traffic Control networking subsystem in the way it handled changing of classification filters, leading to a use-after-free condition. This flaw allows unprivileged local users to escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Related Files

Red Hat Security Advisory 2022-7173-01
Posted Oct 26, 2022
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2022-7173-01 - 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 privilege escalation and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-3715, CVE-2022-2588
SHA-256 | f477b527c9e13addb121eeb3db8a9c9b81452ceb7209c24438c1f5d0e21d1170
Debian Security Advisory 5206-1
Posted Aug 28, 2022
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5206-1 - Several vulnerabilities were discovered in Apache Traffic Server, a reverse and forward proxy server, which could result in HTTP request smuggling, cache poisoning or information disclosure.

tags | advisory, web, vulnerability, info disclosure
systems | linux, debian
advisories | CVE-2021-37150, CVE-2022-25763, CVE-2022-28129, CVE-2022-31778, CVE-2022-31779, CVE-2022-31780
SHA-256 | 360f2d39b410c071cd8f7de51bc39704e2140bcc7d3c4795e6882565c3d01c09
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
Ubuntu Security Notice USN-5361-1
Posted Apr 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5361-1 - It was discovered that the VFIO PCI driver in the Linux kernel did not properly handle attempts to access disabled memory spaces. A local attacker could use this to cause a denial of service. Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation did not properly verify certain fragmented frames. A physically proximate attacker could possibly use this issue to inject or decrypt packets.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2020-12888, CVE-2020-26141, CVE-2020-26145, CVE-2020-3702, CVE-2021-0920, CVE-2021-0935, CVE-2021-28964, CVE-2021-31916, CVE-2021-37159, CVE-2021-39636, CVE-2021-4083, CVE-2021-42739, CVE-2021-43976, CVE-2021-45486
SHA-256 | c315b3f99c654dc04603839d125f1fe9f0159f30ff823c00d323d0852627c9cf
Ubuntu Security Notice USN-5164-1
Posted Dec 1, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5164-1 - It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the AMD Cryptographic Coprocessor driver in the Linux kernel did not properly deallocate memory in some error conditions. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-37159
SHA-256 | 072ff6f683be42c2ac77574912b10db9bfbf82619215f8bc77f155e6839ad298
Ubuntu Security Notice USN-5163-1
Posted Dec 1, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5163-1 - Ilja Van Sprundel discovered that the SCTP implementation in the Linux kernel did not properly perform size validations on incoming packets in some situations. An attacker could possibly use this to expose sensitive information. It was discovered that the Option USB High Speed Mobile device driver in the Linux kernel did not properly handle error conditions. A physically proximate 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
systems | linux, ubuntu
advisories | CVE-2021-3655, CVE-2021-37159
SHA-256 | 590c525353cbc5914fc5f14ac97053443f5506f7b87bbe5ee0f01bcb23c98f50
Kernel Live Patch Security Notice LSN-0082-1
Posted Nov 12, 2021
Authored by Benjamin M. Romer

Jann Horn discovered that the tty subsystem of the Linux kernel did not use consistent locking in some situations, leading to a read-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information (kernel memory). De4dCr0w of 360 Alpha Lab discovered that the BPF verifier in the Linux kernel did not properly handle mod32 destination register truncation when the source register was known to be 0. A local attacker could use this to expose sensitive information (kernel memory) or possibly execute arbitrary code. Various other vulnerabilities were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux
advisories | CVE-2020-29660, CVE-2020-29661, CVE-2021-3444, CVE-2021-3715
SHA-256 | 4c43b77dc14ec38d515895508c90603e29e4435a67390143e2cb91e68bc70e9d
Ubuntu Security Notice USN-5115-1
Posted Oct 21, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5115-1 - It was discovered that a race condition existed in the Atheros Ath9k WiFi driver in the Linux kernel. An attacker could possibly use this to expose sensitive information. Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2020-3702, CVE-2021-33624, CVE-2021-34556, CVE-2021-35477, CVE-2021-3679, CVE-2021-37159, CVE-2021-3732, CVE-2021-3739, CVE-2021-3743, CVE-2021-3753, CVE-2021-3759, CVE-2021-38166, CVE-2021-38204, CVE-2021-38205, CVE-2021-40490, CVE-2021-42008
SHA-256 | 123e5f4aa3de879d935abfb080a9134445af106fa262a01d71265623b346525a
Ubuntu Security Notice USN-5092-3
Posted Oct 19, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5092-3 - USN-5092-2 fixed vulnerabilities in Linux 5.11-based kernels. Unfortunately, for Linux kernels intended for use within Microsoft Azure environments, that update introduced a regression that could cause the kernel to fail to boot in large Azure instance types. This update fixes the problem. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-34556, CVE-2021-35477, CVE-2021-3679, CVE-2021-37159, CVE-2021-37576, CVE-2021-38160, CVE-2021-38199, CVE-2021-38201, CVE-2021-38204, CVE-2021-38205, CVE-2021-41073
SHA-256 | 2f8462834b9c412b2c94caea0415569d6a8d0a25ce4c553b1643bb9766389a30
Red Hat Security Advisory 2021-3851-01
Posted Oct 14, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3851-01 - Red Hat 3scale API Management delivers centralized API management features through a distributed, cloud-hosted layer. It includes built-in features to help in building a more successful API program, including access control, rate limits, payment gateway integration, and developer experience tools. This advisory is intended to use with Container Images, for Red Hat 3scale API Management 2.11.0. Issues addressed include a cross site scripting vulnerability.

tags | advisory, xss
systems | linux, redhat
advisories | CVE-2020-8911, CVE-2020-8912, CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-27218, CVE-2021-3442, CVE-2021-36222, CVE-2021-3653, CVE-2021-3715, CVE-2021-37750
SHA-256 | e4888f040246d49c7a7c2e4f31bece8b08efa09009b3ee41382c5876a9bfdbbc
Ubuntu Security Notice USN-5096-1
Posted Sep 30, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5096-1 - Valentina Palmiotti discovered that the io_uring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. Benedict Schlueter discovered that the BPF subsystem in the Linux kernel did not properly protect against Speculative Store Bypass side- channel attacks in some situations. A local attacker could possibly use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-34556, CVE-2021-35477, CVE-2021-3612, CVE-2021-3679, CVE-2021-37159, CVE-2021-3732, CVE-2021-38160, CVE-2021-38166, CVE-2021-38199, CVE-2021-38201, CVE-2021-38202, CVE-2021-38203, CVE-2021-38204, CVE-2021-38205, CVE-2021-40490, CVE-2021-41073
SHA-256 | 98f615f379d8346abea7dc65ffd543f999a46dbda2ec8a72bcaac4dbaea40126
Ubuntu Security Notice USN-5092-2
Posted Sep 29, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5092-2 - Valentina Palmiotti discovered that the io_uring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-34556, CVE-2021-35477, CVE-2021-3679, CVE-2021-37159, CVE-2021-37576, CVE-2021-38160, CVE-2021-38199, CVE-2021-38201, CVE-2021-38204, CVE-2021-38205, CVE-2021-41073
SHA-256 | fe6e6f7b890fe9c454e6d8b6981a93e9900e3e12cc8de38080233a23b6f9f395
Ubuntu Security Notice USN-5092-1
Posted Sep 28, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5092-1 - Valentina Palmiotti discovered that the io_uring subsystem in the Linux kernel could be coerced to free adjacent memory. A local attacker could use this to execute arbitrary code. Ofek Kirzner, Adam Morrison, Benedict Schlueter, and Piotr Krysiuk discovered that the BPF verifier in the Linux kernel missed possible mispredicted branches due to type confusion, allowing a side-channel attack. An attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33624, CVE-2021-34556, CVE-2021-35477, CVE-2021-3679, CVE-2021-37159, CVE-2021-37576, CVE-2021-38160, CVE-2021-38199, CVE-2021-38201, CVE-2021-38204, CVE-2021-38205, CVE-2021-41073
SHA-256 | ebcf129926760acf6a8d3e98fe23c9b1ac0c8a4d82db537ed58774cee102bccf
Red Hat Security Advisory 2021-3477-01
Posted Sep 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3477-01 - The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Issues addressed include code execution, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, vulnerability, code execution
systems | linux, redhat
advisories | CVE-2021-22555, CVE-2021-31535, CVE-2021-32399, CVE-2021-3621, CVE-2021-3715
SHA-256 | 7dba6acf5672fd4d58b17b842295a37b3063e17a6e0780b04cab5d26aa25cbaf
Red Hat Security Advisory 2021-3446-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3446-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-0512, CVE-2021-3715, CVE-2021-37576
SHA-256 | 11551bfe38e2044b50546e2016efe54060e1f84f42a02916250540ec7bf69bbd
Red Hat Security Advisory 2021-3438-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3438-01 - 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-2021-3715
SHA-256 | 05463ec4dd3aa1fdef8624a19523910046e01917a7d997674e27fd28d79c9585
Red Hat Security Advisory 2021-3441-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3441-01 - 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-2021-3715
SHA-256 | 93451046633f974465f5d09b04fce337d2994bc8f7db322b79be025290fd2e96
Red Hat Security Advisory 2021-3444-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3444-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include privilege escalation and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-3609, CVE-2021-3715, CVE-2021-37576
SHA-256 | 575719fa3dbe06103800a00f34c815470ba521587ac6519e66590ef4249ae702
Red Hat Security Advisory 2021-3445-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3445-01 - 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 write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-0512, CVE-2021-3715
SHA-256 | 446bd9201bc6992ce3edf23b286fb31b8c91ce0f788980354c0391763afff980
Red Hat Security Advisory 2021-3443-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3443-01 - 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 write, and use-after-free vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-0512, CVE-2021-3715, CVE-2021-37576
SHA-256 | 5b8c3c448287f0064a6a319c7d24ad818587e9199002eb8210b5442d82ba82f7
Red Hat Security Advisory 2021-3442-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3442-01 - 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 privilege escalation and use-after-free vulnerabilities.

tags | advisory, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2021-3609, CVE-2021-3715, CVE-2021-37576
SHA-256 | 8fd04dbe8f09d552e79fbc09b0887b18d18b39f9ca0caf03b6dd1a1df65d43a8
Red Hat Security Advisory 2021-3439-01
Posted Sep 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-3439-01 - 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-2021-3715
SHA-256 | 49c8bac1c69b650bac3f427f257711f30050a5811285b9030018c5bd56d27612
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