kernel: race conditions caused by wrong locking in net/vmw_vsock/af_vsock.c

A flaw was found in the Linux kernel. Wrong locking in the AFVSOCK socket can cause a local privilege escalation, bypassing SMEP and SMAP. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

systemd bug fix and enhancement update

The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes...

FreeBSD -- double free in accept_filter(9) socket configuration interface

Problem Description: An unprivileged process can configure an accept filter on a listening socket. This is done using the setsockopt2 system call. The process supplies the name of the accept filter which is to be attached to the socket, as well as a string containing filter-specific information. ...

OpenBSD OpenSMTPD 6.6 Remote Code Execution

Exploit Title: OpenBSD OpenSMTPD Remote Code Execution Vulnerability Date: 05/04/2021 Exploit Author: Tobias Marcotto Tested on: Kali Linux x64 Version: 6.6 Description: smtpmailaddr in smtpsession.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute...

Qualcomm 芯片 资源管理错误漏洞

A Qualcomm chip is a chip from Qualcomm Incorporated USA. A way to miniaturize circuitry including primarily semiconductor devices, but also passive components, etc. and is manufactured from time to time on the surface of semiconductor wafers. A security vulnerability exists in a number of Qualco...

CVE-2021-23985

If an attacker is able to alter specific about:config values for example malware running on the user's computer, the Devtools remote debugging feature could have been enabled in a way that was unnoticable to the user. This would have allowed a remote attacker able to make a direct network...

vsftpd 3.0.3 - Remote Denial of Service Exploit

Exploit Title: vsftpd 3.0.3 - Remote Denial of Service Exploit Author: xynmaps Vendor Homepage: https://security.appspot.com/vsftpd.html Software Link: https://security.appspot.com/downloads/vsftpd-3.0.3.tar.gz Version: 3.0.3 Tested on: Parrot Security OS 5.9.0 -------------------------------...

CVE-2020-7463

In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The...

Design/Logic Flaw

In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The...

CVE-2020-7463

In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The...

CVE-2020-7463

Removed by vendor...

CVE-2020-7463

CVE-2020-7463 is a FreeBSD kernel use-after-free vulnerability caused by improper handling of large user messages from multiple threads on the same SCTP socket. Affected: FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEA...

CVE-2021-1403

A vulnerability in the web UI feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a cross-site WebSocket hijacking CSWSH attack and cause a denial of service DoS condition on an affected device. This vulnerability is due to insufficient HTTP protections in...

The vulnerability of the SCTP socket buffer in Linux kernel allows a hacker to induce a service failure.

The vulnerability of the SCTP socket buffer in Linux operating systems is related to the use of memory after the cgroups subsystem is freed. Exploiting this vulnerability can allow a remote attacker to cause a service failure...

FreeBSD : OpenSSH -- Double-free memory corruption in ssh-agent (76b5068c-8436-11eb-9469-080027f515ea)

OpenBSD Project reports : ssh-agent1: fixed a double-free memory corruption that was introduced in OpenSSH 8.2 . We treat all such memory faults as potentially exploitable. This bug could be reached by an attacker with access to the agent socket. On modern operating systems where the OS can provi...

USN-4882-1: Ruby vulnerabilities

It was discovered that the Ruby JSON gem incorrectly handled certain JSON files. If a user or automated system were tricked into parsing a specially crafted JSON file, a remote attacker could use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...

PT-2021-8006 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.12.0-rc1-00026-g73d464503354 Description: The issue is related to a potential deadlock between the hci dev-lock and socket lock in the Linux kernel's Bluetooth functionality. This deadlock can occur due to a...

USN-4871-1 targetcli-fb vulnerabilities

It was discovered that targetcli-fb did not properly manage socket permissions. A local attacker could use this issue to modify the iSCSI configuration resulting in a denial of service, obtain sensitive information or execute arbitrary code. CVE-2020-10699 It was discovered that targetcli-fb did...

USN-4871-1: targetcli-fb vulnerabilities

It was discovered that targetcli-fb did not properly manage socket permissions. A local attacker could use this issue to modify the iSCSI configuration resulting in a denial of service, obtain sensitive information or execute arbitrary code. CVE-2020-10699 It was discovered that targetcli-fb did...

The vulnerability of the drivers/scsi/scsi_transport_iscsi.c file in the Linux operating system allows a hacker to connect to the iscsi NETLINK socket and send commands to the kernel.

The vulnerability of the drivers/scsi/scsitransportiscsi.c file in the Linux operating system is related to the lack of protection for service data. Exploiting this vulnerability allows an attacker to connect to the iscsi NETLINK socket and send commands to the kernel...