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CVE-2018-10876

Status Candidate

Overview

A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.

Related Files

Red Hat Security Advisory 2019-0525-01
Posted Mar 12, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0525-01 - The kernel-alt packages provide the Linux kernel version 4.x. Issues addressed include a use-after-free vulnerability.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2018-10876, CVE-2018-11412
SHA-256 | 213fea24e7a280a922ce0031dca1c4cc6e2a9a23bcab516535af465bc2e46cf0
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-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-3871-1
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
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