Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO CVE-2021-47435 A memory leak flaw was found in the Linux kernel's DMA subsystem, in the way a user calls DMAFROMDEVICE. This flaw allows a local user to read...

Control domain memory leak issue on Citrix Hypervisor 8.2 with ixgbe driver version 5.5.2

When using intel NIC driver ixgbe version 5.5.2, OOM killer is killing XAPI process very frequently...

SUSE SLES12 Security Update : xen (SUSE-SU-2022:1375-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:1375-1 advisory. - An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

Denial of service

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

CVE-2021-20257

CVE-2021-20257 concerns QEMU’s e1000 NIC emulator. The issue is an infinite loop in process_tx_desc when tx descriptor fields are invalid, allowing a guest to exhaust host CPU and cause DoS. Connected advisories confirm this affects QEMU and related builds (e.g., Debian LTS, Red Hat/AL2, Astra Li...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2021:5238)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2021:5238 advisory. QEMU: off-by-one error in modesensepage in hw/scsi/scsi-disk.c CVE-2021-3930 QEMU: net: e1000: infinite loop while processing transmit descriptors...

QEMU Denial of Service Vulnerability (CNVD-2022-84162)

QEMU is a suite of emulation processor software from the personal developer Fabrice Bellard of France. The software is fast and cross-platform, and a denial-of-service vulnerability exists in QEMU, which stems from the incorrect handling of certain values by the QEMU NIC emulator. An attacker...

Rocky Linux 8 : virt:rhel and virt-devel:rhel (RLSA-2021:3061)

The remote Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2021:3061 advisory. - hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation. CVE-2020-13754 ...

bpftool, kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2022:0063 An update for kernel is now available for Red Hat Enterprise Linux 7. 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...

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

An update for kernel is now available for Red Hat Enterprise Linux 7. 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...

CVE-2021-43282

An issue was discovered on Victure WR1200 devices through 1.0.3. The default Wi-Fi WPA2 key is advertised to anyone within Wi-Fi range through the router's MAC address. The device default Wi-Fi password corresponds to the last 4 bytes of the MAC address of its 2.4 GHz network interface controller...

CVE-2021-37912

The HGiga OAKlouds mobile portal does not filter special characters of the Ethernet number parameter of the network interface card setting page. Remote attackers can use this vulnerability to perform command injection and execute arbitrary commands in the system without logging in...

ICMP 'Etherleak' Information Disclosure

The remote host is prone to an information disclosure vulnerability over ICMP dubbed 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 if...

Oracle Linux 8 : virt:ol / and / virt-devel:rhel (ELSA-2021-3061)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-3061 advisory. - Bounds check for block exceeding page length CVE-2021-3504 resolves: rhbz1950501 libvirt - Resolves: bz1932917 CVE-2021-3416 virt:rhel/qemu-kvm: QEMU...

USN-5010-1: QEMU vulnerabilities

Lei Sun discovered that QEMU incorrectly handled certain MMIO operations. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2020-15469 Wenxiang Qian discovered that QEMU incorrectly handled certain ATAPI commands. An attacker...