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CVE-2018-10883

Status Candidate

Overview

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write in jbd2_journal_dirty_metadata(), a denial of service, and a system crash by mounting and operating on a crafted ext4 filesystem image.

Related Files

Ubuntu Security Notice USN-3871-5
Posted Feb 7, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3871-5 - Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image 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, overflow, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2018-10876, CVE-2018-10877, CVE-2018-10880, CVE-2018-10883, CVE-2018-14625, CVE-2018-16882, CVE-2018-17972, CVE-2018-18281, CVE-2018-19407, CVE-2018-9516
SHA-256 | a5d71e69056829a026e081231955a45dd385e4689768c26f0fa5281f7bb32196
Ubuntu Security Notice USN-3871-3
Posted Feb 5, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3871-3 - Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image 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, overflow, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2018-10876, CVE-2018-10877, CVE-2018-10880, CVE-2018-10883, CVE-2018-14625, CVE-2018-16882, CVE-2018-17972, CVE-2018-18281, CVE-2018-19407, CVE-2018-9516
SHA-256 | 1041b56c301afb52ce67b7fd6cc20810a44176e8fb1e082b236d07915a47660a
Ubuntu Security Notice USN-3879-1
Posted Feb 5, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3879-1 - Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service. Vasily Averin and Pavel Tikhomirov discovered that the cleancache subsystem of the Linux kernel did not properly initialize new files in some situations. A local attacker could use this to expose sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2018-10883, CVE-2018-16862, CVE-2018-19407, CVE-2018-19824, CVE-2018-20169
SHA-256 | d4c5943e106e709ebaf8cb958548047219fd51242e4b6e55b8450bdf25835215
Ubuntu Security Notice USN-3879-2
Posted Feb 5, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3879-2 - USN-3879-1 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. Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-10883, CVE-2018-16862, CVE-2018-19407, CVE-2018-19824, CVE-2018-20169
SHA-256 | 3b2d16cc10420bfae074ab35fc894aa0b16179de5f3354dcf218acf4d1e689f7
Ubuntu Security Notice USN-3871-4
Posted Feb 5, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3871-4 - USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image 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-2018-10876, CVE-2018-10877, CVE-2018-10880, CVE-2018-10883, CVE-2018-14625, CVE-2018-16882, CVE-2018-17972, CVE-2018-18281, CVE-2018-19407, CVE-2018-9516
SHA-256 | a11206552fc0cabc9183c5f6c62349248af6aeafede8241f7d11f3a3f97109b7
Ubuntu Security Notice USN-3871-2
Posted Feb 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3871-2 - USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, that update introduced regressions with docking station displays and mounting ext4 file systems with the meta_bg option enabled. This update fixes the problems. Various other issues were also addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2018-10877, CVE-2018-10880, CVE-2018-10883, CVE-2018-14625, CVE-2018-16882, CVE-2018-17972, CVE-2018-18281, CVE-2018-19407, CVE-2018-9516
SHA-256 | b3e1923af0fea3e3581de72bb292c33d319b54f08b70c8d14fd63f3ae53a3166
Ubuntu Security Notice USN-3871-1
Posted Jan 29, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3871-1 - Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service or possibly execute arbitrary code. Wen Xu discovered that a buffer overflow existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image 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, overflow, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2018-10876, CVE-2018-10877, CVE-2018-10880, CVE-2018-10883, CVE-2018-14625, CVE-2018-16882, CVE-2018-17972, CVE-2018-18281, CVE-2018-19407, CVE-2018-9516
SHA-256 | 610a75c7ac7a32b12e02eece3933f2d902097e03a13e3d1b9fd535c83c4f3455
Red Hat Security Advisory 2018-2948-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-2948-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include buffer overflow, bypass, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2017-13166, CVE-2017-16648, CVE-2017-17805, CVE-2017-17806, CVE-2017-18075, CVE-2017-18208, CVE-2017-18344, CVE-2018-1000026, CVE-2018-1000200, CVE-2018-1000204, CVE-2018-10322, CVE-2018-1065, CVE-2018-1068, CVE-2018-10877, CVE-2018-10878, CVE-2018-10879, CVE-2018-10880, CVE-2018-10881, CVE-2018-10882, CVE-2018-10883, CVE-2018-1092, CVE-2018-1094, CVE-2018-10940, CVE-2018-1095, CVE-2018-1118, CVE-2018-1120
SHA-256 | b5ac1428b03d1ab918a3b26b7b8a361284bcfa618164f1b2afd1b27d505a0549
Red Hat Security Advisory 2018-3083-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3083-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. Issues addressed include buffer overflow, denial of service, information leakage, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2015-8830, CVE-2016-4913, CVE-2017-0861, CVE-2017-10661, CVE-2017-17805, CVE-2017-18208, CVE-2017-18232, CVE-2017-18344, CVE-2018-1000026, CVE-2018-10322, CVE-2018-10878, CVE-2018-10879, CVE-2018-10881, CVE-2018-10883, CVE-2018-10902, CVE-2018-1092, CVE-2018-1094, CVE-2018-10940, CVE-2018-1118, CVE-2018-1120, CVE-2018-1130, CVE-2018-13405, CVE-2018-5344, CVE-2018-5391, CVE-2018-5803, CVE-2018-5848, CVE-2018-7740
SHA-256 | 51bb55b468c741de6d34c15b15988a77197b07fcb781827141ad9999e1700fdc
Red Hat Security Advisory 2018-3096-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3096-01 - 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, null pointer, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2015-8830, CVE-2016-4913, CVE-2017-0861, CVE-2017-10661, CVE-2017-17805, CVE-2017-18208, CVE-2017-18232, CVE-2017-18344, CVE-2018-1000026, CVE-2018-10322, CVE-2018-10878, CVE-2018-10879, CVE-2018-10881, CVE-2018-10883, CVE-2018-10902, CVE-2018-1092, CVE-2018-1094, CVE-2018-10940, CVE-2018-1118, CVE-2018-1120, CVE-2018-1130, CVE-2018-13405, CVE-2018-5344, CVE-2018-5391, CVE-2018-5803, CVE-2018-5848, CVE-2018-7740
SHA-256 | 7f59a96ea0227aec7452145ed2d1a67c0ed1e187e5b7fdd0814bef1fa260bd64
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