xen Vulnerability Advisory Catalog

Total 432 security vulnerabilities recorded for xen software and firmware.

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Component: xen

Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pa...

๐Ÿ“… 2024-05-16
CVSS 6.5 Dossier →
Component: xen

Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compil...

๐Ÿ“… 2024-03-20
CVSS 4.1 Dossier →
Component: xen

PCI devices can make use of a functionality called phantom functions, that when enabled allows the device to generate requests using the IDs of functi...

๐Ÿ“… 2024-03-20
CVSS 5.3 Dossier →
Component: xen

Arm provides multiple helpers to clean & invalidate the cache for a given region. This is, for instance, used when allocating guest memory to ensure ...

๐Ÿ“… 2024-01-05
CVSS 3.3 Dossier →
Component: xen

The fixes for XSA-422 (Branch Type Confusion) and XSA-434 (Speculative Return Stack Overflow) are not IRQ-safe. It was believed that the mitigations ...

๐Ÿ“… 2024-01-05
CVSS 4.7 Dossier →
Component: xen

The current setup of the quarantine page tables assumes that the quarantine domain (dom_io) has been initialized with an address width of DEFAULT_DOMA...

๐Ÿ“… 2024-01-05
CVSS 5.5 Dossier →
Component: xen

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] AMD CPUs since ~201...

๐Ÿ“… 2024-01-05
CVSS 5.5 Dossier →
Component: xen

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] AMD CPUs since ~201...

๐Ÿ“… 2024-01-05
CVSS 5.5 Dossier →
Component: xen

The caching invalidation guidelines from the AMD-Vi specification (48882โ€”Rev 3.07-PUBโ€”Oct 2022) is incorrect on some hardware, as devices will malfunc...

๐Ÿ“… 2024-01-05
CVSS 7.8 Dossier →
Component: xen

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] libfsimage contains...

๐Ÿ“… 2024-01-05
CVSS 7.8 Dossier →
Component: xen

When a transaction is committed, C Xenstored will first check the quota is correct before attempting to commit any nodes. It would be possible that a...

๐Ÿ“… 2024-01-05
CVSS 5.5 Dossier →
Component: xen

For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode. Since Xen itself needs to ...

๐Ÿ“… 2024-01-05
CVSS 7.8 Dossier →
Component: xen

Arm provides multiple helpers to clean & invalidate the cache for a given region. This is, for instance, used when allocating guest memory to ensure ...

๐Ÿ“… 2024-01-05
CVSS 3.3 Dossier →
Component: xen

The fix for XSA-423 added logic to Linux'es netback driver to deal with a frontend splitting a packet in a way such that not all of the headers would ...

๐Ÿ“… 2023-09-22
CVSS 7.8 Dossier →
Component: xen

An issue in โ€œZen 2โ€ CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information....

๐Ÿ“… 2023-07-24
CVSS 5.5 Dossier →
Component: xen

Mishandling of guest SSBD selection on AMD hardware The current logic to set SSBD on AMD Family 17h and Hygon Family 18h processors requires that the ...

๐Ÿ“… 2023-05-17
CVSS 3.3 Dossier →
Component: xen

x86 shadow paging arbitrary pointer dereference In environments where host assisted address translation is necessary but Hardware Assisted Paging (HAP...

๐Ÿ“… 2023-04-25
CVSS 7.8 Dossier →
Component: xen

x86/HVM pinned cache attributes mis-handling T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities co...

๐Ÿ“… 2023-03-21
CVSS 6.5 Dossier →
Component: xen

x86/HVM pinned cache attributes mis-handling T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities co...

๐Ÿ“… 2023-03-21
CVSS 8.6 Dossier →
Component: xen

x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted Paging (HAP) ...

๐Ÿ“… 2023-03-21
CVSS 7.8 Dossier →
Component: xen

x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath ...

๐Ÿ“… 2023-03-21
CVSS 5.5 Dossier →
Component: xen

Guests can cause Xenstore crash via soft reset When a guest issues a "Soft Reset" (e.g. for performing a kexec) the libxl based Xen toolstack will nor...

๐Ÿ“… 2023-01-26
CVSS 7.5 Dossier →
Component: xen

IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure....

๐Ÿ“… 2022-11-09
CVSS 5.5 Dossier →
Component: xen

x86: unintended memory sharing between guests On Intel systems that support the "virtualize APIC accesses" feature, a guest can read and write the glo...

๐Ÿ“… 2022-11-01
CVSS 7.1 Dossier →
Page 2 of 18 (432 Total Records)