Citrix-Virtual-Apps-XEN-Exploit

CVE-2024-xxxx Citrix Virtual Apps and Desktops XEN の未認証リモートコード実行 技術的な詳細については、ブログ記事 を参照してください。 https://github.com/user-attachments/assets/563fd110-5321-49f7-8dc3-48eb0a53e0f9 PoCの実行 root@kitploit: python exploit-citrix-xen.py --target 192.168.1.120 --port 80 --cmd "whoami" / | | |\ \ \ / / \ \ /...

cve-2024-8069-exp-Citrix-Virtual-Apps-XEN

CVE-2024-8068 and CVE-2024-8069 Citrix 虚拟应用和桌面 XEN 未认证远程代码执行漏洞 查看我们的博客文章了解详细的技术信息。 https://github.com/user-attachments/assets/563fd110-5321-49f7-8dc3-48eb0a53e0f9 漏洞利用演示 root@kitploit: python exploit-citrix-xen.py --target 192.168.1.120 --port 80 --cmd "whoami" CVE-xxxx-xxxxx.py Citrix 虚拟应用和桌面...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-099003)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099003 advisory. In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: restrict usage in unprivileged domU The Xen privcmd driver allows to issue arbitrary...

The vulnerability of the privcmd_init() function in the drivers/xen/privcmd.c module of the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the privcmdinit function in the drivers/xen/privcmd.c module of the Linux kernel is related to deficiencies in access control. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of protected information...

kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation

A flaw was found in AMD Zen 2-based processors, affecting components such as the kernel and Xen hypervisor. Improper isolation of shared resources within the CPU operation cache could allow an attacker to corrupt instructions executed at a different privilege level. This could potentially result ...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/amdnb: The rdmsrsafe function was used in amdgetmmconfigrange. Xen does not provide the MSRFAM10HMMIOCONFbase to all guests. This results in the following warning: Unchecked MSR access error: RDMSR from 0xc0010058 at rIP:...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: This issue prevents a Use-after-Free UAF condition in xenvifFlushHash. During the listforeachentryrcu iteration, when calling xenvifFlushHash, kfreercu does not exist within the rcu read critical section...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86, relocs: Ignore relocations in the .notes section. When building with CONFIGXENPV=y, .text symbols are emitted into the .notes section so that Xen can find the “startupxen” entry point. This information is used before booting...

Astra Linux - Vulnerability in Linux

A vulnerability was discovered in the Linux kernel versions 3.2 through 5.10.16, as used by Xen. Grant mapping operations often occur in batch hypercalls, where multiple operations are performed in a single hypercall; the success or failure of each operation is reported to the backend driver, whi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: xen/events: The close evtchn operation is performed after mapping cleanup is completed. shutdownpirq and startuppirq do not take the irqmappingupdatelock, as they cannot do so due to lock inversion. Both functions are called...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: Destroy queues before realnumtxqueues is zeroed xennetDestroyQueues relies on info-netdev-realnumtxqueues to delete queues. Since d7dac083414eb5bb99a6d2ed53dc2c1b405224e5 “net-sysfs: Update the queue counts in the...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

Transmitted requests in Xen’s virtual network protocol can consist of multiple parts. Although none of them are actually useful, except for the initial part, any of these parts can be of zero length, meaning they carry no data at all. Apart from the certain initial portion of the data to be...

Astra Linux – Vulnerability in Linux

A issue was discovered in Xen through version 4.14.x. Some operating systems, such as Linux, FreeBSD, and NetBSD, process watch events using a single thread. If these events are received faster than the thread can handle them, they will be queued up. Since the queue is unbounded, a guest system m...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

Closing an event channel in the Linux kernel can lead to a deadlock. This occurs when the closure operation is performed in parallel with an unrelated Xen console action, and the handling of a Xen console interrupt occurs in a unprivileged guest. The closure of an event channel is triggered, for...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel through version 5.9.1, as used with Xen up to version 4.14.x. The file drivers/xen/events/eventsbase.c allows for the removal of event channels during the event-handling loop a race condition. This can lead to a use-after-free or NULL pointer...

Astra Linux – Vulnerability in Linux, Linux 5.10

Rogue backends can cause Denial of Service DoS attacks on guests through high-frequency events. This CNA information record relates to multiple Common Vulnerabilities and Exposures CVEs; the text explains which aspects/vulnerabilities correspond to which CVEs. Xen allows for the execution of PV...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel, specifically with versions up to 5.9.1, when used with Xen in versions up to 4.14.x. Users of guest operating systems may experience a denial of service where the host operating system hangs due to a high rate of events affecting dom0, also known as...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xen: Fixed the issue where resources were not properly released in xenbusdevprobe This patch addresses a issue with the xenbusdevprobe function. In the xenbusdevprobe function, within the if err branch at line 313, the program...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: 9p/xen: fixed the issue of releasing the IRQ twice. Kernel logs indicate that the IRQ was released twice. The correct device ID must be passed during the IRQ release process. Dominique: removed the confusing variable “reset” to 0...