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CVE-2017-1000251

Status Candidate

Overview

The native Bluetooth stack in the Linux Kernel (BlueZ), starting at the Linux kernel version 3.3-rc1 and up to and including 4.13.1, are vulnerable to a stack overflow vulnerability in the processing of L2CAP configuration responses resulting in Remote code execution in kernel space.

Related Files

BlueBorne BlueTooth Buffer Overflow Proof Of Concept
Posted Sep 25, 2017
Authored by Marcin Kozlowski

BlueBorne BlueTooth buffer overflow proof of concept exploit that causes a denial of service vulnerability on Linux kernels prior to 4.13.1.

tags | exploit, denial of service, overflow, kernel, proof of concept
systems | linux
advisories | CVE-2017-1000251
MD5 | 8fe062e0b377bb75c70ddb9e02781792
Kernel Live Patch Security Notice LSN-0030-1
Posted Sep 19, 2017
Authored by Benjamin M. Romer

The Linux Kernel running on AMD64 systems will sometimes map the contents of PIE executable, the heap or ld.so to where the stack is mapped allowing attackers to more easily manipulate the stack. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service (system crash). It was discovered that the Flash-Friendly File System (f2fs) implementation in the Linux kernel did not properly validate superblock metadata. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux
advisories | CVE-2017-1000251, CVE-2017-1000379, CVE-2017-10663
MD5 | f0f811c3905f66d55df59c33e5694479
Ubuntu Security Notice USN-3422-2
Posted Sep 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3422-2 - USN-3422-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-10044, CVE-2016-10200, CVE-2016-7097, CVE-2016-8650, CVE-2016-9083, CVE-2016-9084, CVE-2016-9178, CVE-2016-9191, CVE-2016-9604, CVE-2016-9754, CVE-2017-1000251, CVE-2017-5970, CVE-2017-6214, CVE-2017-6346, CVE-2017-6951, CVE-2017-7187, CVE-2017-7472, CVE-2017-7541
MD5 | aa0d1979692666d02459e80975dec493
Ubuntu Security Notice USN-3423-1
Posted Sep 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3423-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service.

tags | advisory, denial of service, overflow, kernel
systems | linux, ubuntu
advisories | CVE-2017-1000251
MD5 | 3faab12a208d3be17beccec1daccd61c
Ubuntu Security Notice USN-3422-1
Posted Sep 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3422-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. It was discovered that the asynchronous I/O subsystem of the Linux kernel did not properly set permissions on aio memory mappings in some situations. An attacker could use this to more easily exploit other vulnerabilities. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-10044, CVE-2016-10200, CVE-2016-7097, CVE-2016-8650, CVE-2016-9083, CVE-2016-9084, CVE-2016-9178, CVE-2016-9191, CVE-2016-9604, CVE-2016-9754, CVE-2017-1000251, CVE-2017-5970, CVE-2017-6214, CVE-2017-6346, CVE-2017-6951, CVE-2017-7187, CVE-2017-7472, CVE-2017-7541
MD5 | aa932dae73e3a34aa75e9674d33572f6
Ubuntu Security Notice USN-3420-1
Posted Sep 19, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3420-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. It was discovered that the Flash-Friendly File System implementation in the Linux kernel did not properly validate superblock metadata. 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-2017-1000251, CVE-2017-10663, CVE-2017-12762, CVE-2017-8831
MD5 | 50cbfd60ce8d412743faebabf34f8de2
Slackware Security Advisory - kernel Updates
Posted Sep 19, 2017
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New kernel packages are available for Slackware 14.1, 14.2, and -current to fix a security issue.

tags | advisory, kernel
systems | linux, slackware
advisories | CVE-2017-1000251
MD5 | 17709773c3cc0134a8e8ce6cd624c3b8
Ubuntu Security Notice USN-3419-1
Posted Sep 18, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3419-1 - It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. It was discovered that a buffer overflow existed in the Broadcom FullMAC WLAN driver in the Linux kernel. 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-2017-1000251, CVE-2017-7541
MD5 | 92aeaa436f6bfa57fe57572a3f55d3a8
Ubuntu Security Notice USN-3419-2
Posted Sep 18, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3419-2 - USN-3419-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000251, CVE-2017-7541
MD5 | fa369a196a24f47e3a1a80466702ae48
Ubuntu Security Notice USN-3420-2
Posted Sep 18, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3420-2 - USN-3420-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-1000251, CVE-2017-10663, CVE-2017-12762, CVE-2017-8831
MD5 | e177f243659fd3ccbffa320d4a3677ca
Red Hat Security Advisory 2017-2731-01
Posted Sep 14, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2731-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | c3484d1c50101ad4824cc691750fa7e1
Red Hat Security Advisory 2017-2732-01
Posted Sep 14, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2732-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: The NFSv2 and NFSv3 server implementations in the Linux kernel through 4.10.13 lacked certain checks for the end of a buffer. A remote attacker could trigger a pointer-arithmetic error or possibly cause other unspecified impacts using crafted requests related to fs/nfsd/nfs3xdr.c and fs/nfsd/nfsxdr.c.

tags | advisory, remote, kernel
systems | linux, redhat
advisories | CVE-2017-1000251, CVE-2017-7895
MD5 | 538179e767b65ed435e2618190718816
Red Hat Security Advisory 2017-2707-01
Posted Sep 14, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2707-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | 6204aca22432a391a541c85587575d2b
Red Hat Security Advisory 2017-2706-01
Posted Sep 14, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2706-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | 7c3a39ccb4a6d1d4027d8032a4194e84
Red Hat Security Advisory 2017-2705-01
Posted Sep 14, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2705-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | 36816f75bdda2d5b118cfaf2dfa249b3
Red Hat Security Advisory 2017-2704-01
Posted Sep 14, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2704-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | d4b1e24a6f8c1fb6e9f9d279246b48fa
Red Hat Security Advisory 2017-2679-01
Posted Sep 13, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2679-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | 9757cd1e26e97b46d1f44ae5cd5e888e
Red Hat Security Advisory 2017-2683-01
Posted Sep 13, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2683-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | 9b80f4c099140c59b9ede846f05f53c2
Red Hat Security Advisory 2017-2681-01
Posted Sep 13, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2681-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | f736e84eb664bd4d26da79fc16d6122c
Red Hat Security Advisory 2017-2682-01
Posted Sep 13, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2682-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | 8c4f6a61a66968b2bf676740f63cce8d
Red Hat Security Advisory 2017-2680-01
Posted Sep 13, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2680-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix: A stack buffer overflow flaw was found in the way the Bluetooth subsystem of the Linux kernel processed pending L2CAP configuration responses from a client. On systems with the stack protection feature enabled in the kernel, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to crash the system. Due to the nature of the stack protection feature, code execution cannot be fully ruled out, although we believe it is unlikely. On systems without the stack protection feature, an unauthenticated attacker able to initiate a connection to a system via Bluetooth could use this flaw to remotely execute arbitrary code on the system with ring 0 privileges.

tags | advisory, overflow, arbitrary, kernel, code execution
systems | linux, redhat
advisories | CVE-2017-1000251
MD5 | ad1431c85609f83010427187e9adae5a
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