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...

PT-2024-11063 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the commit 014c9caa29d3 Description: The issue is related to the ext4 file system in the Linux kernel. Before commit 014c9caa29d3, a series of commands could trigger a panic. The commands include mounting a file...

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...

Linux kernel 输入验证错误漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel, which can be exploited by an attacker to trigger an integer overflow via ext4 es cache extent, which triggers a denial of...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4752-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4752-1 advisory. Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen discovered that legacy pairing and secure- connections pairing authentication in the...

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...

UBUNTU-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: umask not applied on filesystem without ACL support

A vulnerability was found in NFSv4.2 in the Linux kernel, where a server fails to correctly apply umask when creating a new object on filesystem without ACL support for example, ext4 with the "noacl" mount option. This flaw allows a local attacker with a user privilege to cause a kernel informati...

Ubuntu: Security Advisory (USN-4752-1)

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...

USN-4752-1: Linux kernel (OEM) vulnerabilities

Daniele Antonioli, Nils Ole Tippenhauer, and Kasper Rasmussen discovered that legacy pairing and secure-connections pairing authentication in the Bluetooth protocol could allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. A physically proxima...

EulerOS 2.0 SP2 : e2fsprogs (EulerOS-SA-2021-1290)

According to the version of the e2fsprogs packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can...

[Important] [Security] Virtuozzo ReadyKernel patch 122.0 for Virtuozzo Hybrid Server 7.5

The cumulative Virtuozzo ReadyKernel patch was updated with security and stability fixes. The patch applies to the kernel 3.10.0-1127.18.2.vz7.163.46 Virtuozzo Hybrid Server 7.5. Vulnerability id: CVE-2020-29661 Incorrect locking in TTY subsystem could lead to use-after-free conditions and cause...

Medium: e2fsprogs

Issue Overview: An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially crafted ext4 partition can cause an out-of-bounds write on the heap, resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability...

Amazon Linux AMI : e2fsprogs (ALAS-2021-1458)

The version of e2fsprogs installed on the remote host is prior to 1.43.5-2.44. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2021-1458 advisory. An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A specially...

A code execution vulnerability exists in the directory rehashing functionality of E2fsprogs e2fsck 1.45.4. A specially crafted ext4 directory can cause an out-of-bounds write on the stack resulting in code execution. An attacker can corrupt a partition to trigger this vulnerability.

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Unbreakable Enterprise kernel security update

4.1.12-124.46.3 - mwifiex: fix possible heap overflow in mwifiexprocesscountryie Ganapathi Bhat Orabug: 30781859 CVE-2019-14895 CVE-2019-14895 - ext4: fix ext4emptydir for directories with holes Jan Kara Orabug: 31265320 CVE-2019-19037 CVE-2019-19037 - netlabel: cope with NULL catmap Paolo Abeni...

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...

Amazon Linux AMI : e2fsprogs (ALAS-2020-1459) (deprecated)

The version of tested product installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2020-1459 advisory. - An exploitable code execution vulnerability exists in the quota file functionality of E2fsprogs 1.45.3. A...

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...