The vulnerability of the ext4_init_block_bitmap() function in the Linux operating system’s kernel allows a hacker to cause a service failure.

The vulnerability of the ext4initblockbitmap function in the Linux operating system is related to writing data beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to trigger a service failure using a specially created ext4 file system image...

A vulnerability in the transaction.c file of the Linux operating system’s kernel allows a hacker to trigger a service failure or increase their privileges.

The vulnerability in the transaction.c file of the Linux operating system is related to writing data beyond the buffer boundaries. Exploiting this vulnerability can allow an attacker to cause service failures or increase their privileges by using a specially created ext4 file system image...

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...

The vulnerability of the ext4_extremove_space() function in the Linux operating system allows a hacker to cause a service failure or execute arbitrary code.

The vulnerability of the ext4extremovespace function in the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure or execute arbitrary code using a specially created ext4 file system imag...

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 ...

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...

The vulnerability of the ext4_extDropRefs() function in the Linux operating system allows a hacker to cause a service failure or execute arbitrary code.

The vulnerability of the ext4extDropRefs function in the Linux operating system relates to reading data beyond the buffer boundaries. Exploiting this vulnerability can allow an attacker to cause a service failure or execute arbitrary code using a specially created ext4 file system image...

Unbreakable Enterprise kernel security update

4.1.12-124.26.1 - NFS: commit direct writes even if they fail partially J. Bruce Fields Orabug: 28212440 - rds: update correct congestion map for loopback transport Mukesh Kacker Orabug: 29175685 - ext4: only look at the bgflags field if it is valid Theodore Tso Orabug: 29316684 CVE-2018-10876...

Unbreakable Enterprise kernel security update

kernel-uek 3.8.13-118.31.1 - alarmtimer: Prevent overflow for relative nanosleep Thomas Gleixner Orabug: 29269167 CVE-2018-13053 - KEYS: Don't permit requestkey to construct a new keyring David Howells Orabug: 29304552 CVE-2017-17807 - KEYS: add missing permission check for requestkey destination...

Unbreakable Enterprise kernel security update

2.6.39-400.307.1 - proc: restrict kernel stack dumps to root John Donnelly Orabug: 29114880 CVE-2018-17972 - alarmtimer: Prevent overflow for relative nanosleep Thomas Gleixner Orabug: 29269182 CVE-2018-13053 - ext4: only look at the bgflags field if it is valid Theodore Ts'o Orabug: 29409428...

EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-1028)

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 found in the Linux kernel's ext4 filesystem. A local user can cause an out-of-bounds write and a denial of service or unspecified oth...

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...

Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2019-4533)

The remote Oracle Linux 5 / 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4533 advisory. - ext4: validate that metadata blocks do not overlap superblock Theodore Ts'o Orabug: 28220576 CVE-2018-1094 Tenable has extracted the preceding...

Ubuntu: Security Advisory (USN-3871-5)

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...

USN-3871-5: Linux kernel (Azure) 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-3871-5 linux-azure 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...

Unbreakable Enterprise kernel security update

2.6.39-400.306.1 - ext4: validate that metadata blocks do not overlap superblock Theodore Ts'o Orabug: 28220576 CVE-2018-1094 - Provide a NLMF flag void dumping inet/inet6 stats in rtnlifinfo Manish Kumar Singh Orabug: 28318718 - btrfs: relocation: Only remove reloc rbtrees if reloc control has...

Unbreakable Enterprise kernel security update

kernel-uek 3.8.13-118.30.1 - ext4: validate that metadata blocks do not overlap superblock Theodore Ts'o Orabug: 28220451 CVE-2018-1094 - ext4: always initialize the crc32c checksum driver Theodore Ts'o Orabug: 28220451 CVE-2018-1094 CVE-2018-1094 - vfs: Add sbrdonlysb to query the MSRDONLY flag ...

OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0002)

The remote OracleVM system is missing necessary patches to address critical security updates : - rds: congestion updates can be missed when kernel low on memory Mukesh Kacker Orabug: 28425811 - net/rds: ib: Fix endless RNR Retries caused by memory allocation failures Venkat Venkatsubra Orabug:...

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...