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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 2.6.32 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
SHA-256 | 974f187dadca11aa8a6672fa308652e8c4e301f2e239dcd9ebe671ec208a6e34
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
SHA-256 | f03b9428d67dc46ff3b712d7c827a00f746ceef20553d5b7b9236072384bb73e
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
SHA-256 | e27780348a8f8c6fe548f4fc823a3618d213ad1642631507a915d8fe3daa444c
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
SHA-256 | 87295b6caa27c3ded5ece56a064c7422e1582070bd41149c139ac47f9df75c3f
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
SHA-256 | 59a73826987ffa71daea232f292915ef55c02017c0d971591db5164b7d4e6e9d
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
SHA-256 | 121d74ff01c97dc17adc587c56c8b84bf85cf03412480c1e717209d3c1561270
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
SHA-256 | e7c08682afc17b1617414ffcdfde953d5259a323f01736b63e0c4844d7abb155
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
SHA-256 | 66c58ebf7b67139201a7338f892ba43bd6f9bfe76cfd13b0465f942093cb8f2d
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
SHA-256 | ba170e3635c1a188e3560304497a4dd5e06177696a56cfeffd73bce86650ea03
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
SHA-256 | 5c3d0047c4974f9a3ced05880d3b1ed8984bd8ae8daf9b43a22ce6e810c37c1a
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
SHA-256 | 4602b1a299e1c814f7fe652bad84a8dc011ab0470d2b1e7436ad9acd20762fbb
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
SHA-256 | e97790ffb2c62a5f6ac7783e733db7702695735b7347bc0d0a507d7d31a7cdeb
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
SHA-256 | 579001c91d03467d2bd2152294ef1ac0a1d3009c94bb98a9b74c6a291dc999c0
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
SHA-256 | 2a70dd9e769898aac2e9013e4371b6187b3e5bed4de1295c016807d67d08ca88
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
SHA-256 | 0e546a405c139692095c9f7ef8322888fe39ee5a7ace2394a965b2f13ca3773c
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
SHA-256 | 2c6c31724c86d3525a6aa0d983d32b1975483ef52e100c5d70336d3217590f86
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
SHA-256 | 5051ae2161e52e21821566bf701bfe49f04ac521aa23e8549dc072ef0fbe81b0
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
SHA-256 | 836911b12d6d9c7265e4250e6a496b935be0667c59bdbfffa9aeb91b7ec81612
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
SHA-256 | 4fa9cf26f5640fa2f977ac1a0515b7490c857afc9658336ac833a838ea2b8232
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
SHA-256 | 10816ea5c3a4d6a61d81c2d95052a5420c1437a7af6e54841215e2f8122b7f4b
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
SHA-256 | d0976006fd595a172a26d079957bb5050c01e46658523ebf2b773fe75f7da603
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