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CVE-2017-14140

Status Candidate

Overview

The move_pages system call in mm/migrate.c in the Linux kernel before 4.12.9 doesn't check the effective uid of the target process, enabling a local attacker to learn the memory layout of a setuid executable despite ASLR.

Related Files

Red Hat Security Advisory 2018-1062-01
Posted Apr 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-1062-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, bypass, denial of service, randomization, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2016-3672, CVE-2016-7913, CVE-2016-8633, CVE-2017-1000252, CVE-2017-1000407, CVE-2017-1000410, CVE-2017-12154, CVE-2017-12190, CVE-2017-13166, CVE-2017-14140, CVE-2017-15116, CVE-2017-15121, CVE-2017-15126, CVE-2017-15127, CVE-2017-15129, CVE-2017-15265, CVE-2017-17448, CVE-2017-17449, CVE-2017-17558, CVE-2017-18017, CVE-2017-18203, CVE-2017-7294, CVE-2017-8824, CVE-2017-9725, CVE-2018-1000004, CVE-2018-5750
SHA-256 | fbeade70a9a2b1fd9926eaf605a9a3afcda14c9b6e58abd7aae2926d31ecbaa9
Red Hat Security Advisory 2018-0676-01
Posted Apr 11, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0676-01 - 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, bypass, denial of service, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2016-3672, CVE-2016-7913, CVE-2016-8633, CVE-2017-1000252, CVE-2017-1000407, CVE-2017-1000410, CVE-2017-12154, CVE-2017-12190, CVE-2017-13166, CVE-2017-14140, CVE-2017-15116, CVE-2017-15121, CVE-2017-15126, CVE-2017-15127, CVE-2017-15129, CVE-2017-15265, CVE-2017-17053, CVE-2017-17448, CVE-2017-17449, CVE-2017-17558, CVE-2017-18017, CVE-2017-18203, CVE-2017-7294, CVE-2017-8824, CVE-2017-9725, CVE-2018-1000004
SHA-256 | 760529e5784a4c45d323b6b90d60c38cfaa4a399d95492fd1f96c65cfeea827b
Ubuntu Security Notice USN-3583-2
Posted Feb 23, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3583-2 - USN-3583-1 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 ESM. It was discovered that an out-of-bounds write vulnerability existed in the Flash-Friendly File System in the Linux kernel. An attacker could construct a malicious file system that, when mounted, could cause a denial of service or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-0750, CVE-2017-0861, CVE-2017-1000407, CVE-2017-12153, CVE-2017-12190, CVE-2017-12192, CVE-2017-14051, CVE-2017-14140, CVE-2017-14156, CVE-2017-14489, CVE-2017-15102, CVE-2017-15115, CVE-2017-15274, CVE-2017-15868, CVE-2017-16525, CVE-2017-17450, CVE-2017-17806, CVE-2017-18017, CVE-2017-5669, CVE-2017-7542, CVE-2017-7889, CVE-2017-8824, CVE-2018-5333, CVE-2018-5344
SHA-256 | 25ede7de1d2b86456063e72f35df6f1394e7346ba13182c33a91a7d898707f22
Ubuntu Security Notice USN-3583-1
Posted Feb 23, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3583-1 - It was discovered that an out-of-bounds write vulnerability existed in the Flash-Friendly File System in the Linux kernel. An attacker could construct a malicious file system that, when mounted, could cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition leading to a use-after-free vulnerability existed in the ALSA PCM subsystem of 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, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-0750, CVE-2017-0861, CVE-2017-1000407, CVE-2017-12153, CVE-2017-12190, CVE-2017-12192, CVE-2017-14051, CVE-2017-14140, CVE-2017-14156, CVE-2017-14489, CVE-2017-15102, CVE-2017-15115, CVE-2017-15274, CVE-2017-15868, CVE-2017-16525, CVE-2017-17450, CVE-2017-17806, CVE-2017-18017, CVE-2017-5669, CVE-2017-5754, CVE-2017-7542, CVE-2017-7889, CVE-2017-8824, CVE-2018-5333, CVE-2018-5344
SHA-256 | c97e450d76e9b8840d64e1081483c6c94471a1697c00daa71cb7174818ece0d4
Kernel Live Patch Security Notice LSN-0032-2
Posted Nov 29, 2017
Authored by Benjamin M. Romer

Anthony Perard discovered that the Xen virtual block driver did not properly initialize some data structures before passing them to user space. A local attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. Bo Zhang discovered that the netlink wireless configuration interface in the Linux kernel did not properly validate attributes when handling certain requests. A local attacker with the CAP_NET_ADMIN could use this to cause a denial of service (system crash). It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service (system crash). Otto Ebeling discovered that the memory manager in the Linux kernel did not properly check the effective UID in some situations. A local attacker could use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux
advisories | CVE-2017-10911, CVE-2017-12153, CVE-2017-12154, CVE-2017-14140
SHA-256 | 4ac498fe64bdf58c75838bf98a75ded8239a7ff13c95ce564a4824dd91f56222
Kernel Live Patch Security Notice LSN-0032-1
Posted Nov 22, 2017
Authored by Benjamin M. Romer

Anthony Perard discovered that the Xen virtual block driver did not properly initialize some data structures before passing them to user space. A local attacker in a guest VM could use this to expose sensitive information from the host OS or other guest VMs. Bo Zhang discovered that the netlink wireless configuration interface in the Linux kernel did not properly validate attributes when handling certain requests. A local attacker with the CAP_NET_ADMIN could use this to cause a denial of service (system crash). It was discovered that the nested KVM implementation in the Linux kernel in some situations did not properly prevent second level guests from reading and writing the hardware CR8 register. A local attacker in a guest could use this to cause a denial of service (system crash). Otto Ebeling discovered that the memory manager in the Linux kernel did not properly check the effective UID in some situations. A local attacker could use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux
advisories | CVE-2017-10911, CVE-2017-12153, CVE-2017-12154, CVE-2017-14140
SHA-256 | edb82348b5a039b33b9384fa15982bf40763c4759bd961c0919c901dad68ef13
Ubuntu Security Notice USN-3444-2
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3444-2 - USN-3444-1 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. Jan H. Schonherr discovered that the Xen subsystem did not properly handle block IO merges correctly in some situations. An attacker in a guest vm could use this to cause a denial of service or possibly gain administrative privileges in the host. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-12134, CVE-2017-14106, CVE-2017-14140
SHA-256 | 518bcce32879974ad8c212f843cedd77f31b8046a4cedeede70651b97fc3502a
Ubuntu Security Notice USN-3444-1
Posted Oct 11, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3444-1 - Jan H. Schonherr discovered that the Xen subsystem did not properly handle block IO merges correctly in some situations. An attacker in a guest vm could use this to cause a denial of service or possibly gain administrative privileges in the host. Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2017-12134, CVE-2017-14106, CVE-2017-14140
SHA-256 | 45432b2e9ed775afbc92575ea36657a660514dafa40944283f494d7e97fd75ca
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