Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5137-2)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5137-2 advisory. It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5137-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5137-1 advisory. It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use...

PT-2021-7682 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free flaw was found in the Linux kernel’s Ext4 File System related to the overlay FS usage. This issue allows a local user to crash or potentially escalate their privileges...

NewStart CGSL MAIN 6.02 : kernel Multiple Vulnerabilities (NS-SA-2021-0126)

The remote NewStart CGSL host, running version MAIN 6.02, has kernel packages installed that are affected by multiple vulnerabilities: - The Linux kernel before 5.4.2 mishandles ext4expandextraisize, as demonstrated by use-after-free errors in ext4expandextraisize and ext4xattrsetentry, related t...

Kernel update: Virtuozzo ReadyKernel patch 131.1 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with a stability fix. The patch applies to the kernels 3.10.0-1127.18.2.vz7.163.46 Virtuozzo Hybrid Server 7.5, 3.10.0-1160.21.1.vz7.174.13 Virtuozzo Hybrid Server 7.5 Update 1. Vulnerability id: PSBM-130508 3.10.0-1127.18.2.vz7.163.46 to...

GSD-2021-1000811 ext4: fix memory leak in ext4_fill_super

ext4: fix memory leak in ext4fillsuper This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.10 by commit...

GSD-2021-1000723 ext4: fix bug on in ext4_es_cache_extent as ext4_split_extent_at failed

ext4: fix bug on in ext4escacheextent as ext4splitextentat failed This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.9.272 by commit...

SUSE: Security Advisory (SUSE-SU-2019:2475-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

UVI-2021-1000101 ext4: always panic when errors=panic is specified

ext4: always panic when errors=panic is specified This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.11.20 by commit...

UVI-2021-1000062 ext4: fix check to prevent false positive report of incorrect used inodes

ext4: fix check to prevent false positive report of incorrect used inodes This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.12.3 by commit...

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

An update for kernel-alt is now available for Red Hat Enterprise Linux 7. 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 each vulnerability fro...

Debian DLA-2610-1 : linux-4.19 security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to the execution of arbitrary code, privilege escalation, denial of service, or information leaks. CVE-2020-27170, CVE-2020-27171 Piotr Krysiuk discovered flaws in the BPF subsystem's checks for information leaks throu...

CVE-2021-3428

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4escacheextent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem...

CVE-2021-3428

A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4escacheextent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem...

kernel: buffer uses out of index in ext3/4 filesystem

A memory out-of-bounds read flaw was found in the Linux kernel's ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability...

kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c

A flaw was found in the Linux kernel's ext4unlink function. An attacker could corrupt memory or escalate privileges when deleting a file from a recently unmounted specially crafted ext4 filesystem, including local, USB, and iSCSI...

kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry related to fs/ext4/inode.c and fs/ext4/super.c

A use-after-free flaw was found in the Linux kernel’s ext4 file system functionality when the user mount ext4 partition, with the usage of an additional debug parameter is defining an extra inode size. If this parameter has a non zero value, this flaw allows a local user to crash the system when...

Debian DLA-2385-1 : linux-4.19 security update

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service, or information leak. CVE-2019-3874 Kernel buffers allocated by the SCTP network protocol were not limited by the memory cgroup controller. A local user could potentially us...

A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.

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Updated kernel and kernel-linus packages fix security vulnerabilities

This update is based on the upstream 5.7.19 kernel and fixes at least the following security issue: In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in trymergefreespace ...