Ubuntu: Security Advisory (USN-3696-1)

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...

CVE-2018-13100

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3, which does not properly validate secsperzone in a corrupted f2fs image, as demonstrated by a divide-by-zero error...

UBUNTU-CVE-2018-13096

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.14. A denial of service out-of-bounds memory access and BUG can occur upon encountering an abnormal bitmap size when mounting a crafted f2fs image...

UBUNTU-CVE-2018-13097

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. There is an out-of-bounds read or a divide-by-zero error for an incorrect userblockcount in a corrupted f2fs image, leading to a denial of service BUG...

Linux kernel denial of service vulnerability (CNVD-2018-12668)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A denial of service vulnerability exists in fs/f2fs/inode.c in 4.17.3 and earlier versions of the Linux kernel. An...

Linux kerne 'fs/f2fs/super.c' local 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 fs/f2fs/super.c file in Linux kernel version 4.17.3 and earlier, which stems from a program that fails to properly validate the...

CVE-2018-13099

An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.4. A denial of service out-of-bounds memory access and BUG can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr...

CVE-2018-13098

An issue was discovered in fs/f2fs/inode.c in the Linux kernel through 4.17.3. A denial of service slab out-of-bounds read and BUG can occur for a modified f2fs filesystem image in which FIEXTRAATTR is set in an inode...

Linux kernel denial of service vulnerability (CNVD-2018-12669)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. A denial of service vulnerability exists in fs/f2fs/inline.c in 4.17.3 and earlier versions of the Linux kernel. An...

UBUNTU-CVE-2018-13098

An issue was discovered in fs/f2fs/inode.c in the Linux kernel through 4.17.3. A denial of service slab out-of-bounds read and BUG can occur for a modified f2fs filesystem image in which FIEXTRAATTR is set in an inode...

UBUNTU-CVE-2018-13099

An issue was discovered in fs/f2fs/inline.c in the Linux kernel through 4.4. A denial of service out-of-bounds memory access and BUG can occur for a modified f2fs filesystem image in which an inline inode contains an invalid reserved blkaddr...

USN-3696-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

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 system crash. CVE-2017-18255 Wei Fang discovered an integer overflow in the F2FS filesystem implementation in the Linux kernel. A local attack...

Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3654-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3654-2 advisory. USN-3654-1 fixed vulnerabilities and added mitigations in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the...

Ubuntu: Security Advisory (USN-3656-1)

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...

USN-3656-1: Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities

Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-17975 It was discovered that a race condition existed in the F2FS implementatio...

USN-3656-1 linux-raspi2, linux-snapdragon vulnerabilities

Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-17975 It was discovered that a race condition existed in the F2FS implementatio...

USN-3654-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3654-1 fixed vulnerabilities and added mitigations 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. Jann Horn and Ken Johnson discovered that microprocessors...

USN-3654-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3654-1 fixed vulnerabilities and added mitigations 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. Jann Horn and Ken Johnson discovered that microprocessors...

USN-3654-1: Linux kernel vulnerabilities

Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...

USN-3654-1 linux, linux-aws, linux-kvm, vulnerabilities

Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...