CLSA-2024-1710945589 Fix of 9 CVEs

CVE-url: https://ubuntu.com/security/CVE-2023-52449 - mtd: Fix gluebi NULL pointer dereference caused by ftl notifier Bionic update: upstream stable patchset 2018-08-29 LP: 1789666 // CVE- url: https://ubuntu.com/security/CVE-2022-20567 - l2tp: fix refcount leakage on PPPoL2TP sockets Bionic upda...

USN-6700-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

It was discovered that the Layer 2 Tunneling Protocol L2TP implementation in the Linux kernel contained a race condition when releasing PPPoL2TP sockets in certain conditions, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or...

The vulnerability of Cisco IOS XR’s Ethernet Layer 2 services allows a hacker to trigger a service failure.

The vulnerability of Cisco IOS XR’s Ethernet Layer 2 services is related to errors in processing input data. Exploiting this vulnerability allows a malicious actor to cause service failures by sending specially crafted Ethernet frames...

Cisco IOS XR Security Vulnerability

Cisco IOS XR is an operating system developed by Cisco for its network devices. A security vulnerability exists in Cisco IOS XR, which arises from a security flaw in Layer 2 Ethernet services that allows an unauthenticated, neighboring attacker to cause the line card's network processor to reset,...

PT-2024-2146 · Cisco · Cisco Ios Xr

Name of the Vulnerable Software and Affected Versions: Cisco IOS XR Software affected versions not specified Description: A vulnerability in the Layer 2 Ethernet services of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the line card network processor to reset,...

SUSE CVE-2023-52527

In the Linux kernel, the following vulnerability has been resolved: ipv4, ipv6: Fix handling of transhdrlen in ip,6appenddata Including the transhdrlen in length is a problem when the packet is partially filled e.g. something like sendMSGMORE happened previously when appending to an IPv4 or IPv6...

DEBIAN-CVE-2023-52527

In the Linux kernel, the following vulnerability has been resolved: ipv4, ipv6: Fix handling of transhdrlen in ip,6appenddata Including the transhdrlen in length is a problem when the packet is partially filled e.g. something like sendMSGMORE happened previously when appending to an IPv4 or IPv6...

UBUNTU-CVE-2023-52527

In the Linux kernel, the following vulnerability has been resolved: ipv4, ipv6: Fix handling of transhdrlen in ip,6appenddata Including the transhdrlen in length is a problem when the packet is partially filled e.g. something like sendMSGMORE happened previously when appending to an IPv4 or IPv6...

OpenBSD Security Vulnerabilities

OpenBSD is a cross-platform, BSD-based, UNIX-like operating system from the Canadian OpenBSD project group. A security vulnerability exists in versions prior to OpenBSD 7.3 errata 016, which stems from an l2tp message containing an AVP of incorrect length that causes a crash...

CVE-2024-20294

A vulnerability in the Link Layer Discovery Protocol LLDP feature of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due to improper handling of specific fields i...

Important: kernel

Issue Overview: A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service. CVE-2022-4129 In...

kernel: l2tp: missing lock when clearing sk_user_data can lead to NULL pointer dereference

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

The vulnerability of the pppol2tp_create() function in the net/l2tp/l2tp_ppp.c module of the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information, or to enhance their privileges.

The vulnerability of the pppol2tpcreate function in the net/l2tp/l2tpppp.c module of the Linux kernel is related to concurrent resource access race condition. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of protected...

UBUNTU-CVE-2023-5088

A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead potentially overwriting the VM's boot code. This could be used, for example, by L2 guests with a virtual disk vdiskL2 stored on a virtual disk of an L1 vdiskL1...

The vulnerability of the Control Protocol Director (l2cpd) in Juniper Networks’ Junos and JunOS Evolved operating systems allows a attacker to induce a service failure.

The vulnerability of the Control Protocol Layer 2 l2cpd in Juniper Networks’ Junos and JunOS Evolved operating systems is related to deficiencies in handling exceptional states. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

The vulnerability of the Layer 2 Tunneling Protocol (L2TP) implementation in Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Layer 2 Tunneling Protocol L2TP implementation in Windows operating systems is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the Layer 2 Tunneling Protocol (L2TP) implementation in Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Layer 2 Tunneling Protocol L2TP implementation in Windows operating systems is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

The vulnerability of the Layer 2 Tunneling Protocol (L2TP) implementation in Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Layer 2 Tunneling Protocol L2TP implementation in Windows operating systems is related to the use of memory after it is freed. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...

CVE-2023-44181

An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in a DDOS violations and DDOS syslog. This issue is triggered when Storm control is enabled and ICMP...

The vulnerability of the Layer 2 Tunneling Protocol (L2TP) implementation in Windows operating systems allows a hacker to execute arbitrary code.

The vulnerability of the Layer 2 Tunneling Protocol L2TP implementation in Windows operating systems is related to synchronization errors when using a shared resource. Exploiting this vulnerability allows a remote attacker to execute arbitrary code...