Vulnerabilities > XEN

DATE CVE VULNERABILITY TITLE RISK
2022-01-25 CVE-2022-23035 Incomplete Cleanup vulnerability in multiple products
Insufficient cleanup of passed-through device IRQs The management of IRQs associated with physical devices exposed to x86 HVM guests involves an iterative operation in particular when cleaning up after the guest's use of the device.
low complexity
xen fedoraproject debian CWE-459
4.6
2022-01-05 CVE-2021-28711 Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains".
local
low complexity
xen debian
2.1
2022-01-05 CVE-2021-28712 Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains".
local
low complexity
xen debian
2.1
2022-01-05 CVE-2021-28713 Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains".
local
low complexity
xen debian
2.1
2021-12-07 CVE-2021-28703 Unspecified vulnerability in XEN
grant table v2 status pages may remain accessible after de-allocation (take two) Guest get permitted access to certain Xen-owned pages of memory.
local
high complexity
xen
7.0
2021-11-24 CVE-2021-28705 Improper Handling of Exceptional Conditions vulnerability in multiple products
issues with partially successful P2M updates on x86 T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] x86 HVM and PVH guests may be started in populate-on-demand (PoD) mode, to provide a way for them to later easily have more memory assigned.
local
low complexity
xen fedoraproject debian CWE-755
7.8
2021-11-24 CVE-2021-28709 Improper Handling of Exceptional Conditions vulnerability in multiple products
issues with partially successful P2M updates on x86 T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] x86 HVM and PVH guests may be started in populate-on-demand (PoD) mode, to provide a way for them to later easily have more memory assigned.
local
low complexity
xen fedoraproject debian CWE-755
7.8
2021-11-24 CVE-2021-28704 PoD operations on misaligned GFNs T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] x86 HVM and PVH guests may be started in populate-on-demand (PoD) mode, to provide a way for them to later easily have more memory assigned.
local
low complexity
xen fedoraproject debian
8.8
2021-11-24 CVE-2021-28706 Allocation of Resources Without Limits or Throttling vulnerability in multiple products
guests may exceed their designated memory limit When a guest is permitted to have close to 16TiB of memory, it may be able to issue hypercalls to increase its memory allocation beyond the administrator established limit.
network
low complexity
xen fedoraproject debian CWE-770
8.6
2021-11-24 CVE-2021-28707 PoD operations on misaligned GFNs T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] x86 HVM and PVH guests may be started in populate-on-demand (PoD) mode, to provide a way for them to later easily have more memory assigned.
local
low complexity
xen debian fedoraproject
8.8