CVE-2026-31787

XSA-487 / CVE-2026-31787 Linux kernel double free in Xen privcmd driver A double free of kernel memory in the Linux kernel's Xen privcmd driver allows circumvention of kernel lockdown secure boot. Exploitation requires root-level access, which limits the broader security implications. | ---|---...

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

CVE-2024-8068 and CVE-2024-8069 Citrix Virtual Apps and Desktops XEN Unauthenticated Remote Code Execution Vulnerability Check out our blog post for detailed technical information. https://github.com/user-attachments/assets/563fd110-5321-49f7-8dc3-48eb0a53e0f9 Exploit Demonstration python...

Security update for xen

This update for xen fixes the following issues: CVE-2026-79608: x86/AMD: ineffectual Zenbleed workaround bsc1283317. CVE-2026-79609: x86: XPTI may break on huge-memory systems bsc1283321. CVE-2026-79610: grant-table: double version change race bsc1283322. CVE-2026-79611: VMX: VMentry failure with...

Citrix-Virtual-Apps-XEN-Exploit

CVE-2024-xxxx Citrix Virtual Apps and Desktops XEN Unauthenticated Remote Code execution See our blog post for technical details https://github.com/user-attachments/assets/563fd110-5321-49f7-8dc3-48eb0a53e0f9 PoC in Action python exploit-citrix-xen.py --target 192.168.1.120 --port 80 --cmd "whoam...

CVE-2026-99155

In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS before using it to index info-shadow, but then dereferences the entry to...

CVE-2026-99155 scsi: xen/scsifront: Check for a NULL shadow entry on a backend response

In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS before using it to index info-shadow, but then dereferences the entry to...

CVE-2026-99155

The Linux kernel contains a vulnerability in the scsi: xen/scsifront component where the scsifront_do_response() function fails to verify if a shadow slot is populated before dereferencing it. While the function validates that the rqid is within the valid range (VSCSIIF_MAX_REQS), it does not che...

EUVD-2026-111907

In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS before using it to index info-shadow, but then dereferences the entry to...

CVE-2026-99155 scsi: xen/scsifront: Check for a NULL shadow entry on a backend response

In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS before using it to index info-shadow, but then dereferences the entry to...

Linux Distros Unpatched Vulnerability : CVE-2026-99155

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS...

UBUNTU-CVE-2026-99155

In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS before using it to index info-shadow, but then dereferences the entry to...

CVE-2026-99155: Linux: In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry…

In the Linux kernel, the following vulnerability has been resolved: scsi: xen/scsifront: Check for a NULL shadow entry on a backend response scsifrontdoresponse validates the rqid in a backend response against VSCSIIFMAXREQS before using it to index info-shadow, but then dereferences the entry to...

CVE-2026-99057

A flaw was found in the Linux kernel's Xen network frontend driver. When processing a network response chain that exceeds the allocated buffer capacity, an error handling failure prevents the socket buffer and associated memory pages from being freed. A malicious or compromised backend can exploi...

xen-4.22.0_06-1.1 on GA media (moderate)

xen-4.22.006-1.1 on GA media Announcement ID: openSUSE-SU-2026:12138-1 Rating: moderate Cross-References: CVE-2026-79607 CVE-2026-79608 CVE-2026-79609 CVE-2026-79610 CVE-2026-79611 CVSS scores: CVE-2026-79607 SUSE : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVE-2026-79607 SUSE : 8.7...

Linux Distros Unpatched Vulnerability : CVE-2026-98900

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xen/gntalloc: validate grant count before allocation gntallocioctlalloc allocates the grant-id array before checking whether the requested count fits within the...

CVE-2026-98900

A flaw was found in the Linux kernel's Xen grant allocation driver. A local user can exploit this vulnerability by submitting an excessively large grant allocation request before the driver validates it against global limits. This flaw allows excessive kernel memory consumption and integer...

SUSE CVE-2026-98900

In the Linux kernel, the following vulnerability has been resolved: xen/gntalloc: validate grant count before allocation gntallocioctlalloc allocates the grant-id array before checking whether the requested count fits within the global grant limit. Counts above that limit cannot succeed, so rejec...

SUSE CVE-2026-99057

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: don't leak the skb when xennetfillfrags fails When a response chain has more slots than fit in the skb's frags, xennetfillfrags returns an error and xennetpoll jumps to its error path. That path moves what's left on...

DEBIAN-CVE-2026-99057

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: don't leak the skb when xennetfillfrags fails When a response chain has more slots than fit in the skb's frags, xennetfillfrags returns an error and xennetpoll jumps to its error path. That path moves what's left on...

CVE-2026-99057

In the Linux kernel, the following vulnerability has been resolved: xen/netfront: don't leak the skb when xennetfillfrags fails When a response chain has more slots than fit in the skb's frags, xennetfillfrags returns an error and xennetpoll jumps to its error path. That path moves what's left on...