CVE-2017-17044
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service (infinite loop and host OS hang) by leveraging the mishandling of Populate on Demand (PoD) errors.
02 Description
An issue was discovered in Xen through 4.9.x allowing HVM guest OS users to cause a denial of service (infinite loop and host OS hang) by leveraging the mishandling of Populate on Demand (PoD) errors.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.43% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 37.8% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-11-28 23:00Z8 YR AGO
- Last updated
- 2024-08-05 20:43Z2 YR AGO
- Reserved
- 2017-11-28
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 2f47fd959a9cc2d1c1ca4af6c9d1212a0d075de3b957eb5b568630c45a00b549
05 Affected products
06 References
- lists.debian.org[debian-lts-announce] 20181030 [SECURITY] [DLA 1559-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/10/msg00021.html
- www.securityfocus.com102129http://www.securityfocus.com/bid/102129
- xenbits.xen.orghttps://xenbits.xen.org/xsa/advisory-246.html
- lists.debian.org[debian-lts-announce] 20180105 [SECURITY] [DLA 1230-1] xen security updatehttps://lists.debian.org/debian-lts-announce/2018/01/msg00003.html
- www.securityfocus.com102008http://www.securityfocus.com/bid/102008
- www.securitytracker.com1039878http://www.securitytracker.com/id/1039878
- security.gentoo.orgGLSA-201801-14https://security.gentoo.org/glsa/201801-14
- www.securityfocus.com105954http://www.securityfocus.com/bid/105954
- support.citrix.comhttps://support.citrix.com/article/CTX230138
07 Fixed in
Debian 12
- xen Fixed in 4.8.2+xsa245-0+deb9u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- xen Fixed in 4.8.2+xsa245-0+deb9u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- xen Fixed in 4.8.2+xsa245-0+deb9u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- xen No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- xen Fixed in 4.9.2-0ubuntu1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.