Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4594)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2019-4594 advisory. - ext4: always verify the magic number in xattr blocks Theodore Ts'o Orabug: 29437127 CVE-2018-10879 CVE-2018-10879 - ext4: add corruption check in...

EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-1108)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - A flaw was discovered in the Linux kernel's USB subsystem in the usbgetextradescriptor function in the drivers/usb/core/usb.c which mishandles a...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4576)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4576 advisory. - alarmtimer: Prevent overflow for relative nanosleep Thomas Gleixner Orabug: 29269167 CVE-2018-13053 - KEYS: Don't permit requestkey to construct ...

The vulnerability of the ext4_updateInline_data() function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the ext4updateInlinedata function in the Linux operating system is related to writing data beyond the buffer boundaries on the stack. Exploiting this vulnerability could allow an attacker to trigger a service failure using a specially created instance of the ext4 file system...

The vulnerability of the jbd2_journal_dirtymetadata() function in the Linux kernel allows a hacker to trigger a service failure.

The vulnerability of the jbd2journaldirtymetadata function in the Linux kernel is related to data writing beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to trigger a service failure by manipulating a specially created ext4 file system image...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4575)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4575 advisory. - ext4: only look at the bgflags field if it is valid Theodore Tso Orabug: 29316684 CVE-2018-10876 CVE-2018-10876 - net: Set skprotcreator when...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Linux kernel (Azure) vulnerabilities (USN-3871-5)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3871-5 advisory. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An...

Ubuntu 18.04 LTS : Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities (USN-3871-3)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3871-3 advisory. 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...

Ubuntu: Security Advisory (USN-3871-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 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 18.04 LTS : Linux kernel regression (USN-3871-2)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3871-2 advisory. USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, that update introduced regressions with docking station displays and...

Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3871-4)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3871-4 advisory. USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

USN-3871-3: Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities

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 system crash or possibly execute arbitrary code...

USN-3871-4: Linux kernel (HWE) vulnerabilities

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 HWE 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...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-3871-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3871-1 advisory. 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...

USN-3871-1: Linux kernel vulnerabilities

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 system crash or possibly execute arbitrary code...

Denial Of Service (DoS)

Linux kernel is vulnerable to denial of service. A local user is able to crash the kernel due to multiple race conditions in the ext4 filesystem implementation, by writing to a page that is associated with a different user's file after unsynchronized hole punching and page-fault handling...

Denial Of Service (DoS)

kernel is vulnerable to denial of service DoS attacks. The vulnerability exists as the implementation of certain splicewrite file operations in the Linux kernel before 3.16 does not enforce a restriction on the maximum size of a single file, which allows local users to cause a denial of service...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3821-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3821-1 advisory. Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An...

USN-3821-1: Linux kernel vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly ensure that xattr information remained in inode bodies. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash. CVE-2018-10880 It...

kernel: use-after-free detected in ext4_xattr_set_entry with a crafted file

A flaw was found in the Linux kernel's ext4 filesystem. A local user can cause a use-after-free in ext4xattrsetentry function and a denial of service or unspecified other impact may occur by renaming a file in a crafted ext4 filesystem image...