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CVE-2017-18257

Status Candidate

Overview

The __get_data_block function in fs/f2fs/data.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow and loop) via crafted use of the open and fallocate system calls with an FS_IOC_FIEMAP ioctl.

Related Files

Ubuntu Security Notice USN-3696-2
Posted Jul 3, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3696-2 - USN-3696-1 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 an integer overflow existed in the perf subsystem of 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, overflow, kernel, local, vulnerability
systems | linux, ubuntu
advisories | CVE-2017-13695, CVE-2017-18255, CVE-2017-18257, CVE-2018-1000204, CVE-2018-10021, CVE-2018-10087, CVE-2018-10124, CVE-2018-3665, CVE-2018-5814, CVE-2018-7755
MD5 | 7232f498840627d5ecbea781d6ae2d03
Ubuntu Security Notice USN-3696-1
Posted Jul 2, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3696-1 - It was discovered that an integer overflow existed in the perf subsystem of the Linux kernel. A local attacker could use this to cause a denial of service. Wei Fang discovered an integer overflow in the F2FS filesystem implementation in the Linux kernel. A local attacker could use this to cause a denial of service. It was discovered that an information leak existed in the generic SCSI driver in the Linux kernel. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, overflow, kernel, local
systems | linux, ubuntu
advisories | CVE-2017-13695, CVE-2017-18255, CVE-2017-18257, CVE-2018-1000204, CVE-2018-10021, CVE-2018-10087, CVE-2018-10124, CVE-2018-3665, CVE-2018-5814, CVE-2018-7755
MD5 | 85ebc7f68fdfd1ec62e89e89a7199622
Debian Security Advisory 4188-1
Posted May 3, 2018
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4188-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2017-17975, CVE-2017-18193, CVE-2017-18216, CVE-2017-18218, CVE-2017-18222, CVE-2017-18224, CVE-2017-18241, CVE-2017-18257, CVE-2017-5715, CVE-2017-5753, CVE-2018-1000199, CVE-2018-10323, CVE-2018-1065, CVE-2018-1066, CVE-2018-1068, CVE-2018-1092, CVE-2018-1093, CVE-2018-1108, CVE-2018-5803, CVE-2018-7480, CVE-2018-7566, CVE-2018-7740, CVE-2018-7757, CVE-2018-7995, CVE-2018-8087, CVE-2018-8781, CVE-2018-8822
MD5 | 40218a570ce7c1511b3faa47a7e18487
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