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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

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