CVE-2021-0247

A Race Condition Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in the firewall process dfwd of Juniper Networks Junos OS allows an attacker to bypass the firewall rule sets applied to the input loopback filter on any interfaces of a device. This issue is...

CVE-2021-0247 Junos OS: PTX Series, QFX Series: Due to a race condition input loopback firewall filters applied to interfaces may not operate even when listed in the running configuration.

A Race Condition Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in the firewall process dfwd of Juniper Networks Junos OS allows an attacker to bypass the firewall rule sets applied to the input loopback filter on any interfaces of a device. This issue is...

CVE-2021-0247

A Race Condition Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in the firewall process dfwd of Juniper Networks Junos OS allows an attacker to bypass the firewall rule sets applied to the input loopback filter on any interfaces of a device. This issue is...

Juniper Networks Junos OS 竞争条件问题漏洞

Juniper Networks Junos OS is a Juniper Networks network operating system for the company's hardware devices. The OS provides a secure programming interface and the Junos SDK. Junos OS is vulnerable to a race condition issue, which exists due to a race condition in the firewall process dfwd. A...

bpftool, kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2021:1071 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 Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

CVE-2020-7462

Removed by vendor...

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.

...

CVE-2020-7462: Use After Free

In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p13, improper mbuf handling in the kernel causes a use-after-free bug by sending IPv6 Hop-by-Hop options over the loopback interface. The use-after-free situation may result in unintended kernel behaviour including a kernel panic...

DEBIAN-CVE-2021-3416

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU...

UBUNTU-CVE-2021-3416

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU...

CVE-2021-3416

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU...

Denial Of Service (DoS)

qemu is vulnerable to denial of service DoS. A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on...

CVE-2021-3416: Loop with Unreachable Exit Condition

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU...

QEMU stack overflow vulnerability

QEMU is a suite of analog processor software. QEMU has a security vulnerability that can be exploited by an attacker to trigger a denial of service on a host system by triggering a fatal error via NIC loopback mode...

QEMU 安全漏洞

QEMU is a suite of analog processor software. QEMU has a security vulnerability that can be exploited by an attacker to trigger a denial of service on a host system by triggering a fatal error via NIC loopback mode...

PT-2021-7378

Name of the Vulnerable Software and Affected Versions QEMU versions up to and including 5.2.0 Description The issue is related to a potential stack overflow via an infinite loop in various NIC emulators of QEMU. This occurs in loopback mode of a NIC where reentrant DMA checks get bypassed, allowi...

Updated coturn package fixes a security vulnerability

When sending a CONNECT request with the XOR-PEER-ADDRESS value of 0.0.0.0, a malicious user would be able to relay packets to the loopback interface. Additionally, when coturn is listening on IPv6, which is default, the loopback interface can also be reached by making use of either ::1 or :: as t...

MGASA-2021-0087 Updated coturn package fixes a security vulnerability

When sending a CONNECT request with the XOR-PEER-ADDRESS value of 0.0.0.0, a malicious user would be able to relay packets to the loopback interface. Additionally, when coturn is listening on IPv6, which is default, the loopback interface can also be reached by making use of either ::1 or :: as t...

Fedora 33 : coturn (2021-dee141fc61)

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-dee141fc61 advisory. - Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and rela...

Fedora 32 : coturn (2021-32d0068851)

The remote Fedora 32 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-32d0068851 advisory. - Coturn is free open source implementation of TURN and STUN Server. Coturn before version 4.5.2 by default does not allow peers to connect and rela...