Home/CVE/An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recu
CVE

CVE-2017-15595

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recu

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.

HIGH · CVSS 8.8 EPSS 0.00461
Act now
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

1
xen<= 4.9.0
⚠

Public Exploits & PoCs

2
dosXen - Pagetable De-typing Unbounded Recursionverified
pocwww.exploit-db.com · 43014www.exploit-db.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Oct 2017 · 08:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2020:14444-1
suse-csafSUSE-SU-2020:1630-1
suse-csafSUSE-SU-2020:0388-1
suse-csafSUSE-SU-2020:0334-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://lists.debian.org/debian-lts-announce/2017/11/msg00027.html
https://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
https://security.gentoo.org/glsa/201801-14
https://support.citrix.com/article/CTX228867
https://www.debian.org/security/2017/dsa-4050
https://xenbits.xen.org/xsa/advisory-240.htmlMitigationPatchVendor Advisory
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