Libguestfs Nbdkit 安全漏洞

Libguestfs Nbdkit is an application from the Libguestfs community for creating NBD Protocol for Accessing Network Block Devices servers. Libguestfs Nbdkit suffers from a security vulnerability that can be exploited by an attacker to trigger a denial of service by causing a fatal error via Nbdkit'...

Fedora: Security Advisory for nbdkit (FEDORA-2021-535596f062)

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...

Fedora: Security Advisory for nbdkit (FEDORA-2021-9c2ba2fcfc)

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...

[SECURITY] Fedora 33 Update: nbdkit-1.24.6-1.fc33

NBD is a protocol for accessing block devices hard disks and disk-like things over the network. nbdkit is a toolkit for creating NBD servers. The key features are: Multithreaded NBD server written in C with good performance. Minimal dependencies for the basic server. Liberal license BSD allows...

[SECURITY] Fedora 34 Update: nbdkit-1.26.5-1.fc34

NBD is a protocol for accessing block devices hard disks and disk-like things over the network. nbdkit is a toolkit for creating NBD servers. The key features are: Multithreaded NBD server written in C with good performance. Minimal dependencies for the basic server. Liberal license BSD allows...

CVE-2021-3716

A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBDOPTSTRUCTUREDREPLY before proxying everything else a client sends to the server, potentially leading the client to terminat...

EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2021-2002)

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - A flaw was found in the Linux kernel's implementation of string matching within a packet. A privileged user with root ...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2021-1950)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the iscsitransport...

The vulnerability of the ndb_queue_rq function in the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the ndbqueuerq function drivers/block/nbd.c in the Linux kernel is related to the use of memory after it is freed. Exploiting this vulnerability can allow an attacker to execute arbitrary code...

EulerOS Virtualization 2.9.1 : kernel (EulerOS-SA-2021-1715)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4909-1)

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-4909-1 advisory. Loris Reiff discovered that the BPF implementation in the Linux kernel did not properly validate attributes in the getsockopt BPF hook. A loc...

USN-4909-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

Loris Reiff discovered that the BPF implementation in the Linux kernel did not properly validate attributes in the getsockopt BPF hook. A local attacker could possibly use this to cause a denial of service system crash. CVE-2021-20194 Olivier Benjamin, Norbert Manthey, Martin Mazein, and Jan H...

USN-4910-1 linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities

Ryota Shiga discovered that the sockopt BPF hooks in the Linux kernel could allow a user space program to probe for valid kernel addresses. A local attacker could use this to ease exploitation of another kernel vulnerability. CVE-2021-20239 It was discovered that the BPF verifier in the Linux...

USN-4907-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

Wen Xu discovered that the xfs file system implementation in the Linux kernel did not properly validate the number of extents in an inode. An attacker could use this to construct a malicious xfs image that, when mounted, could cause a denial of service system crash. CVE-2018-13095 It was discover...

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...

DEBIAN-CVE-2021-20286

A flaw was found in libnbd 1.7.3. An assertion failure in nbdunlockedoptgo in ilb/opt.c may lead to denial of service...

UBUNTU-CVE-2021-20286

A flaw was found in libnbd 1.7.3. An assertion failure in nbdunlockedoptgo in ilb/opt.c may lead to denial of service...

PT-2021-13878

Name of the Vulnerable Software and Affected Versions: libnbd version 1.7.3 Description: A flaw was found in libnbd that may lead to denial of service due to an assertion failure in the nbd unlocked opt go function in ilb/opt.c. Recommendations: For libnbd version 1.7.3, consider disabling the nb...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9085)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9085 advisory. - xen-blkback: fix error handling in xenblkbkmap Jan Beulich Orabug: 32492109 CVE-2021-26930 - xen-scsiback: dont 'handle' error by BUG Jan Beulich...

EulerOS Virtualization for ARM 64 3.0.6.0 : qemu-kvm (EulerOS-SA-2021-1527)

According to the versions of the qemu-kvm packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw...