Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3676-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3676-2 advisory. USN-3676-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

Ubuntu: Security Advisory (USN-3678-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu: Security Advisory (USN-3677-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Ubuntu 16.04 LTS : Linux kernel (Azure) vulnerabilities (USN-3678-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3678-2 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3676-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3676-1 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-3678-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3678-1 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker...

USN-3676-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3676-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not...

USN-3677-1: Linux kernel vulnerabilities

It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-1068 Wen Xu discovered that the ext4 filesystem implementation in t...

USN-3676-1: Linux kernel vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly handle corrupted meta data in some situations. An attacker could use this to specially craft an ext4 filesystem that caused a denial of service system crash when mounted. CVE-2018-1092, CVE-2018-1093 It...

Linux ext4: out-of-bounds memcpy via non-inline system.data xattr(CVE-2018-11412)

ext4 can store data for small regular files as "inline data", meaning that the data is stored inside the corresponding inode instead of in separate blocks. Inline data is stored in two places: The first 60 bytes go in the iblock field in the inode which normally contains a list of blocks instead,...

The vulnerability of the ext4_iget function in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the ext4iget function fs/ext4/inode.c in the Linux kernel is related to a pointer arithmetic error. Exploiting this vulnerability can allow an attacker, operating remotely, to cause a service failure by using a specially crafted version of the ext4 file system...

The vulnerability of the ext4_fill_super function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the ext4fillsuper function fs/ext4/super.c in the Linux operating system is related to a pointer manipulation error. Exploiting this vulnerability can allow an attacker, acting remotely, to cause a service failure by using a specially crafted version of the ext4 file system...

Design/Logic Flaw

In the Linux kernel 4.13 through 4.16.11, ext4readinlinedata in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode...

CVE-2018-11412

In the Linux kernel 4.13 through 4.16.11, ext4readinlinedata in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode...

CVE-2018-1094

The ext4fillsuper function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service ext4xattrinodehash NULL pointer dereference and system crash via a crafted ext4 image...

DEBIAN-CVE-2018-1093

The ext4validblockbitmap function in fs/ext4/balloc.c in the Linux kernel through 4.15.15 allows attackers to cause a denial of service out-of-bounds read and system crash via a crafted ext4 image because balloc.c and ialloc.c do not validate bitmap block numbers...

Linux kernel 'ext4_valid_block_bitmap' function denial of service vulnerability

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A security vulnerability exists in the 'ext4validblockbitmap' function in the fs/ext4/balloc.c file in Linux kernel version 4.15.15 and earlier, which stems from the...

UBUNTU-CVE-2018-1092

The ext4iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero ilinkscount, which allows attackers to cause a denial of service ext4processfreeddata NULL pointer dereference and OOPS via a crafted ext4 image...

USN-3405-2: Linux kernel (Xenial HWE) vulnerabilities | Cloud Foundry

Severity Medium Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description USN-3405-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.0...

kernel: ext4 filesystem page fault race condition with fallocate call.

A flaw was found in the Linux kernel when attempting to "punch a hole" in files existing on an ext4 filesystem. When punching holes into a file races with the page fault of the same area, it is possible that freed blocks remain referenced from page cache pages mapped to process' address space...