Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3879-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3879-1 advisory. Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal fo...

Information Disclosure

Linux kernel is vulnerable to information disclosure. A race condition in fs/ext4/extents.c when using ext4 file system allows a local unprivileged user to retrieve confidential information from a deleted file whose data blocks have not yet been written...

kernel: NULL pointer dereference in ext4/xattr.c:ext4_xattr_inode_hash() causes crash with crafted ext4 image

The Linux kernel is vulnerable to a NULL pointer dereference in the ext4/xattr.c:ext4xattrinodehash function. An attacker could trick a legitimate user or a privileged attacker could exploit this to cause a NULL pointer dereference with a crafted ext4 image...

SUSE-SU-2018:1855-2 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP2 LTSS kernel was updated receive various security and bugfixes. The following security bugs were fixed: - CVE-2018-5848: In the function wmisetie, the length validation code did not handle unsigned integer overflow properly. As a result, a large value of the 'ielen...

Linux kernel memory misreference vulnerability (CNVD-2018-24387)

Linux kernel is the kernel used by Linux, the open source operating system released by the Linux Foundation in the United States. A memory misreference vulnerability exists in the 'ext4extremovespace' function of the ext4 file system code in the Linux kernel. An attacker can exploit this...

Linux kernel denial of service vulnerability (CNVD-2018-17476)

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 ext4 file system code in the Linux kernel. An attacker can exploit this vulnerability with the help of a specially crafted ext4...

USN-3718-1: Linux kernel regression

USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. Unfortunately, the fix for CVE-2018-1108 introduced a regression where insufficient early entropy prevented services from starting, leading in some situations to a failure to boot, This update addresses the issue. We...

SUSE-SU-2018:1987-1 Security update for e2fsprogs

This update for e2fsprogs fixes the following issues: Security issues fixed: - CVE-2015-0247: Fixed couple of heap overflows in e2fsprogs fsck, dumpe2fs, e2image... bsc915402. - CVE-2015-1572: Fixed potential buffer overflow in closefs bsc918346. Bug fixes: - bsc1038194: generic/405 test fails wi...

DEBIAN-CVE-2018-10877

Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4extdroprefs function when operating on a crafted ext4 filesystem image...

CVE-2018-10840

Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4xattrsetentry function. An attacker could exploit this by operating on a mounted crafted ext4 image...

Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3695-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3695-2 advisory. USN-3695-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enableme...

Ubuntu: Security Advisory (USN-3695-2)

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...

PT-2018-2580 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an out-of-bounds access in the ext4 ext drop refs function when handling a specially crafted ext4 filesystem image. This could allow an attacker to cause a deni...

PT-2018-2579 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw was found in the ext4 filesystem code of the Linux kernel. The issue is related to a use-after-free in the ext4 ext remove space function, which can occur when mounting and...

Updated kernel-linus packages fix security vulnerabilities

This kernel-linus update is based on the upstream 4.14.44 and fixes at least the following security issues: The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial...

CVE-2018-1095

The ext4xattrcheckentries function in fs/ext4/xattr.c in the Linux kernel through 4.15.15 does not properly validate xattr sizes, which causes misinterpretation of a size as an error code, and consequently allows attackers to cause a denial of service getacl NULL pointer dereference and system...

CVE-2017-1000405

The Linux Kernel versions 2.6.38 through 4.14 have a problematic use of pmdmkdirty in the touchpmd function inside the THP implementation. touchpmd can be reached by getuserpages. In such case, the pmd will become dirty. This scenario breaks the new canfollowwritepmd's logic - pmd can become dirt...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.3 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2017-7495

fs/ext4/inode.c in the Linux kernel before 4.6.2, when ext4 data=ordered mode is used, mishandles a needs-flushing-before-commit list, which allows local users to obtain sensitive information from other users' files in opportunistic circumstances by waiting for a hardware reset, creating a new...

CentOS 6 : kernel (CESA-2017:0307)

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...