XE
Product
Xen
by Xen · last CVE May 19, 2026
490
CVEs
0
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 16High 134Medium 162Low 11
Watch

Add Xen to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2016-9379
7.9
0%
Jan 23
The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the…
Affected: All versions, or not specified
CVE-2026-23558
7.8
0%
May 19
grant table v2 race in status page mapping
Affected: 4.0.0 and later
CVE-2026-23554
7.8
0%
Mar 23
Use after free of paging structures in EPT
Affected: 4.17 and later
CVE-2023-34326
7.8
0%
Jan 5
The caching invalidation guidelines from the AMD-Vi specification (48882—Rev 3.07-PUB—Oct 2022) is incorrect on some hardware, as devices will malfunction (see stale DMA mappings)…
Affected: All versions, or not specified
CVE-2023-34325
7.8
0%
Jan 5
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] libfsimage contains parsing code for several…
Affected: All versions, or not specified
CVE-2023-34322
7.8
0%
Jan 5
For migration as well as to work around kernels unaware of L1TF (see XSA-273), PV guests may be run in shadow paging mode
Affected: 3.2.0 before 4.15.0
CVE-2023-34319
7.8
0%
Sep 22
Linux: buffer overrun in netback due to unusual packet
Affected: 3.2.0 and later
CVE-2022-42335
7.8
0%
Apr 25
x86 shadow paging arbitrary pointer dereference In environments where host assisted address translation is necessary but Hardware Assisted Paging (HAP) is unavailable, Xen will…
Affected: 4.17.0
CVE-2022-42332
7.8
0%
Mar 21
x86 shadow plus log-dirty mode use-after-free In environments where host assisted address translation is necessary but Hardware Assisted Paging (HAP) is unavailable, Xen will run…
Affected: 3.2.0 and later
CVE-2022-33743
7.8
0%
Jul 5
network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having…
Affected: All versions, or not specified
CVE-2022-26361
7.8
0%
Apr 5
IOMMU: RMRR (VT-d) and unity map (AMD-Vi) handling issues T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…
Affected: All versions, or not specified
CVE-2022-26360
7.8
0%
Apr 5
IOMMU: RMRR (VT-d) and unity map (AMD-Vi) handling issues T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…
Affected: All versions, or not specified
CVE-2022-26359
7.8
0%
Apr 5
IOMMU: RMRR (VT-d) and unity map (AMD-Vi) handling issues T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…
Affected: All versions, or not specified
CVE-2022-26358
7.8
0%
Apr 5
IOMMU: RMRR (VT-d) and unity map (AMD-Vi) handling issues T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to…
Affected: All versions, or not specified
CVE-2022-23033
7.8
0%
Jan 25
arm: guest_physmap_remove_page not removing the p2m mappings The functions to remove one or more entries from a guest p2m pagetable on Arm (p2m_remove_mapping,…
Affected: 4.12.0 and later
CVE-2021-28709
7.8
0%
Nov 24
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…
Affected: 3.4.0 through 4.12.4; 4.13.0 through 4.13.4; 4.14.0 through 4.14.3; 4.15.0; 4.15.1
CVE-2021-28705
7.8
0%
Nov 24
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…
Affected: 3.4.0 through 4.12.4; 4.13.0 through 4.13.4; 4.14.0 through 4.14.3; 4.15.0; 4.15.1
CVE-2021-28701
7.8
0%
Sep 8
Another race in XENMAPSPACE_grant_table handling Guests are permitted access to certain Xen-owned pages of memory
Affected: 4.0.0 and later
CVE-2021-28697
7.8
0%
Aug 27
grant table v2 status pages may remain accessible after de-allocation Guest get permitted access to certain Xen-owned pages of memory
Affected: 4.0.0 through 4.15.0
CVE-2021-27379
7.8
0%
Feb 18
An issue was discovered in Xen through 4.11.x, allowing x86 Intel HVM guest OS users to achieve unintended read/write DMA access, and possibly cause a denial of service (host OS…
Affected: 3.2.0 before 4.12.0
CVE-2020-27671
7.8
0%
Oct 22
An issue was discovered in Xen through 4.14.x allowing x86 HVM and PVH guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain…
Affected: 4.2.0 through 4.14.0
CVE-2020-27670
7.8
0%
Oct 22
An issue was discovered in Xen through 4.14.x allowing x86 guest OS users to cause a denial of service (data corruption), cause a data leak, or possibly gain privileges because an…
Affected: through 4.14.0
CVE-2020-25603
7.8
0%
Sep 23
An issue was discovered in Xen through 4.14.x
Affected: through 4.14.0
CVE-2020-25595
7.8
0%
Sep 23
An issue was discovered in Xen through 4.14.x
Affected: through 4.14.0
CVE-2020-15852
7.8
0%
Jul 20
An issue was discovered in the Linux kernel 5.5 through 5.7.9, as used in Xen through 4.13.x for x86 PV guests
Affected: through 4.13.1
CVE-2020-15567
7.8
0%
Jul 7
An issue was discovered in Xen through 4.13.x, allowing Intel guest OS users to gain privileges or cause a denial of service because of non-atomic modification of a live EPT PTE
Affected: through 4.13.1
CVE-2020-11739
7.8
0%
Apr 14
An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain privileges because of missing memory barriers in read-write…
Affected: through 4.13.0; 4.13.0; 4.13.0
CVE-2019-17347
7.8
0%
Oct 8
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges because a guest can manipulate its virtualised %cr4 in…
Affected: 4.1.0 through 4.11.2
CVE-2019-17341
7.8
0%
Oct 8
An issue was discovered in Xen through 4.11.x allowing x86 PV guest OS users to cause a denial of service or gain privileges by leveraging a page-writability race condition during…
Affected: through 4.11.2
CVE-2018-19963
7.8
0%
Dec 8
An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource…
Affected: 4.11.0
CVE-2018-19962
7.8
0%
Dec 8
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because small IOMMU mappings are unsafely combined…
Affected: through 4.11.1
CVE-2018-19961
7.8
0%
Dec 8
An issue was discovered in Xen through 4.11.x on AMD x86 platforms, possibly allowing guest OS users to gain host OS privileges because TLB flushes do not always occur after IOMMU…
Affected: through 4.11.1
CVE-2018-15471
7.8
0%
Aug 17
An issue was discovered in xenvif_set_hash_mapping in drivers/net/xen-netback/hash.c in the Linux kernel through 4.18.1, as used in Xen through 4.11.x and other products
Affected: through 4.11.0
CVE-2018-14678
7.8
0%
Jul 28
An issue was discovered in the Linux kernel through 4.17.11, as used in Xen through 4.11.x
Affected: through 4.11.0
CVE-2018-8897
7.8
18%
May 8
A statement in the System Programming Guide of the Intel 64 and IA-32 Architectures Software Developer's Manual (SDM) was mishandled in the development of some or all…
Affected: All versions, or not specified
CVE-2017-17566
7.8
0%
Dec 12
An issue was discovered in Xen through 4.9.x allowing PV guest OS users to cause a denial of service (host OS crash) or gain host OS privileges in shadow mode by mapping a certain…
Affected: through 4.9.1
CVE-2017-17564
7.8
0%
Dec 12
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling…
Affected: through 4.9.1
CVE-2017-17563
7.8
0%
Dec 12
An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging an incorrect mask for…
Affected: through 4.9.1
CVE-2017-15588
7.8
0%
Oct 18
An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to execute arbitrary code on the host OS because of a race condition that can cause a stale TLB entry
Affected: 4.9.0
CVE-2017-12136
7.8
0%
Aug 24
Race condition in the grant table code in Xen 4.6.x through 4.9.x allows local guest OS administrators to cause a denial of service (free list corruption and host crash) or gain…
Affected: 4.6.0; 4.6.1; 4.6.3; 4.6.4; 4.6.5; 4.6.6; +7 more
CVE-2016-10013
7.8
0%
Jan 26
Xen through 4.8.x allows local 64-bit x86 HVM guest OS users to gain privileges by leveraging mishandling of SYSCALL singlestep during emulation
Affected: through 4.8.0
CVE-2016-9386
7.8
0%
Jan 23
The x86 emulator in Xen does not properly treat x86 NULL segments as unusable when accessing memory, which might allow local HVM guest users to gain privileges via vectors…
Affected: All versions, or not specified
CVE-2016-9382
7.8
0%
Jan 23
Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash)…
Affected: 4.0.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.1.0; +33 more
CVE-2016-3157
7.8
1%
Apr 12
The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel does not properly context-switch IOPL on 64-bit PV Xen guests, which allows local guest OS users to…
Affected: 4.0.0
CVE-2021-28702
7.6
0%
Oct 6
PCI devices with RMRRs not deassigned correctly Certain PCI devices in a system might be assigned Reserved Memory Regions (specified via Reserved Memory Region Reporting, "RMRR")
Affected: 4.13.0 through 4.15.1
CVE-2025-58149
7.5
0%
Oct 31
Incorrect removal of permissions on PCI device unplug
Affected: 4.0.0 and later
CVE-2025-58148
7.5
0%
Oct 31
x86: Incorrect input sanitisation in Viridian hypercalls
Affected: 4.15.0 and later
CVE-2025-58147
7.5
0%
Oct 31
x86: Incorrect input sanitisation in Viridian hypercalls
Affected: 4.15.0 and later
CVE-2025-58145
7.5
0%
Sep 11
Arm issues with page refcounting
Affected: 4.12.0 before 4.17.0
CVE-2025-58144
7.5
0%
Sep 11
Arm issues with page refcounting
Affected: 4.12.0 before 4.17.0
Page 2 of 3 · 134 total