out of bounds event channels available to 32-bit x86 domains

ISSUE DESCRIPTION The so called 2-level event channel model imposes different limits on the number of usable event channels for 32-bit x86 domains vs 64-bit or Arm either bitness ones. 32-bit x86 domains can use only 1023 channels, due to limited space in their shared between guest and Xen...

once valid event channels may not turn invalid

ISSUE DESCRIPTION Logic in the handling of event channel operations in Xen assumes that an event channel, once valid, will not become invalid over the life time of a guest. However, operations like the resetting of all event channels may involve decreasing one of the bounds checked when determini...

lack of preemption in evtchn_reset() / evtchn_destroy()

ISSUE DESCRIPTION In particular the FIFO event channel model allows guests to have a large number of event channels active at a time. Closing all of these when resetting all event channels or when cleaning up after the guest may take extended periods of time. So far there was no arrangement for...

CVE-2020-15704

creationtimestamp| type| source ---|---|--- 2020-09-05 09:00:00+00:00| published-proof-of-concept| https://t.me/canyoupwnme/6617 2020-11-23 02:44:40+00:00| published-proof-of-concept| https://t.me/CyberSecurityTechnologies/1704 2026-09-01 17:01:09+00:00| seen| https://t.me/cissp/1801 2026-09-02...

Stolen Fortnite Accounts Earn Hackers Millions Per Year

UPDATE Hackers are scoring more than a million dollars annually selling compromised accounts for the popular Fortnite video game in underground forums. With Fortnite’s immense popularity skyrocketing over the past few years – it currently has more than 350 million global players – the game is a...

Critical Slack Bug Allows Access to Private Channels, Conversations

A critical vulnerability in the popular Slack collaboration app would allow remote code-execution RCE. Attackers could gain full remote control over the Slack desktop app with a successful exploit — and thus access to private channels, conversations, passwords, tokens and keys, and various...

CVE-2017-18207

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YouTube deletes 2 million channels and 51 million videos over scams

By Sudais Asif Previously YouTube was accused of not taking any action again growing malware and cryptocurrency-related scams. This is a post from HackRead.com Read the original post: YouTube deletes 2 million channels and 51 million videos over scams...

CVE-2017-7529

creationtimestamp| type| source ---|---|--- 2020-08-04 22:05:20+00:00| published-proof-of-concept| Telegram/5wukRxV9URSUqaAjuIv1D5mVUIA9ZwDjV7wHja-KOPw3qxc 2021-09-21 06:42:54+00:00| published-proof-of-concept| https://t.me/pwnwikizhchannel/41 2023-07-06 08:57:12+00:00| seen|...

Stable Channel Update for Desktop

The stable channel has been updated to 84.0.4147.105 for Windows, Mac, and Linux, which will roll out over the coming days/weeks. A list of all changes is available in the log. Interested in switching release channels? Find out how. If you find a new issue, please let us know by filing a bug. The...

DEBIAN-CVE-2020-15566

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect error handling in event-channel port allocation. The allocation of an event-channel port may fail for multiple reasons: 1 port is already in use, 2 the memory allocation failed, or...

CVE-2020-15566

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect error handling in event-channel port allocation. The allocation of an event-channel port may fail for multiple reasons: 1 port is already in use, 2 the memory allocation failed, or...

ALPINE-CVE-2020-15566

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect error handling in event-channel port allocation. The allocation of an event-channel port may fail for multiple reasons: 1 port is already in use, 2 the memory allocation failed, or...

Design/Logic Flaw

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a host OS crash because of incorrect error handling in event-channel port allocation. The allocation of an event-channel port may fail for multiple reasons: 1 port is already in use, 2 the memory allocation failed, or...

CVE-2020-10281

This vulnerability applies to the Micro Air Vehicle Link MAVLink protocol and allows a remote attacker to gain access to sensitive information provided it has access to the communication medium. MAVLink is a header-based protocol that does not perform encryption to improve transfer and reception...

Design/Logic Flaw

This vulnerability applies to the Micro Air Vehicle Link MAVLink protocol and allows a remote attacker to gain access to sensitive information provided it has access to the communication medium. MAVLink is a header-based protocol that does not perform encryption to improve transfer and reception...

CVE-2020-10281 RVD#3315: Cleartext transmission of sensitive information in MAVLink protocol version 1.0 and 2.0

This vulnerability applies to the Micro Air Vehicle Link MAVLink protocol and allows a remote attacker to gain access to sensitive information provided it has access to the communication medium. MAVLink is a header-based protocol that does not perform encryption to improve transfer and reception...

DEBIAN-CVE-2020-9497

Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or compromised RDP server, specially-craftedPDUs could result in disclosure of information within the memory ofthe guacd process handling the...

Memory corruption

Apache Guacamole 1.1.0 and older may mishandle pointers involved inprocessing data received via RDP static virtual channels. If a userconnects to a malicious or compromised RDP server, a series ofspecially-crafted PDUs could result in memory corruption, possiblyallowing arbitrary code to be...

CVE-2020-9498

Apache Guacamole 1.1.0 and older may mishandle pointers involved inprocessing data received via RDP static virtual channels. If a userconnects to a malicious or compromised RDP server, a series ofspecially-crafted PDUs could result in memory corruption, possiblyallowing arbitrary code to be...