Vulnerabilities > XEN > XEN > 4.9.0
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2022-11-01 | CVE-2022-42319 | Memory Leak vulnerability in multiple products Xenstore: Guests can cause Xenstore to not free temporary memory When working on a request of a guest, xenstored might need to allocate quite large amounts of memory temporarily. | 6.5 |
| 2022-11-01 | CVE-2022-42325 | Memory Leak vulnerability in multiple products Xenstore: Guests can create arbitrary number of nodes via transactions T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] In case a node has been created in a transaction and it is later deleted in the same transaction, the transaction will be terminated with an error. | 5.5 |
| 2022-11-01 | CVE-2022-42326 | Memory Leak vulnerability in multiple products Xenstore: Guests can create arbitrary number of nodes via transactions T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] In case a node has been created in a transaction and it is later deleted in the same transaction, the transaction will be terminated with an error. | 5.5 |
| 2022-10-11 | CVE-2022-33748 | Improper Handling of Exceptional Conditions vulnerability in multiple products lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path. | 5.6 |
| 2022-04-05 | CVE-2022-26356 | Improper Locking vulnerability in multiple products Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. | 5.6 |
| 2022-01-25 | CVE-2022-23034 | Integer Underflow (Wrap or Wraparound) vulnerability in multiple products A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. | 5.5 |
| 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. | 4.6 |
| 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. | 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. | 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. | 7.8 |