CVE-2017-12135
Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Xen allows local OS guest users to cause a denial of service (crash) or possibly obtain sensitive information or gain privileges via vectors involving transitive grants.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.45% probability · 39th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-682
- Affected
- xen/xen · citrix/xenserver · debian/debian linux
- Source
- cve@mitre.org
EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.debian.org/security/2017/dsa-3969Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/15/1Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/17/6Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/14/4
- http://www.securityfocus.com/bid/100344Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039178Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-226.htmlMitigation, Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1477655Issue Tracking, Mitigation, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201801-14Third Party Advisory
- https://support.citrix.com/article/CTX225941Patch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3969Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/15/1Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/17/6Mailing List, Mitigation, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/14/4
- http://www.securityfocus.com/bid/100344Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1039178Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-226.htmlMitigation, Patch, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1477655Issue Tracking, Mitigation, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201801-14Third Party Advisory
- https://support.citrix.com/article/CTX225941Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.