CVE-2014-3125
Xen 4.4.x, when running on an ARM system, does not properly context switch the CNTKCTL_EL1 register, which allows local guest users to modify the hardware timers and cause a denial of service (crash)
02 Description
Xen 4.4.x, when running on an ARM system, does not properly context switch the CNTKCTL_EL1 register, which allows local guest users to modify the hardware timers and cause a denial of service (crash)
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
- 0.62% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 50.0% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- 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
- 2014-05-02 14:00Z12 YR AGO
- Last updated
- 2024-08-06 10:35Z2 YR AGO
- Reserved
- 2014-04-29
- 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
- 8eb2b690d3597889a24b8fc0938d0748faf03d079c29dd42ee369c07d33a528a
05 Affected products
06 References
- www.securityfocus.com67157http://www.securityfocus.com/bid/67157
- xenbits.xen.orghttp://xenbits.xen.org/xsa/advisory-91.html
- www.openwall.com[oss-security] 20140430 Xen Security Advisory 91 - Hardware timer context is not properly context switched on ARMhttp://www.openwall.com/lists/oss-security/2014/04/30/5
- www.securitytracker.com1030184http://www.securitytracker.com/id/1030184
- www.openwall.com[oss-security] 20140430 Re: Xen Security Advisory 91 - Hardware timer context is not properly context switched on ARMhttp://www.openwall.com/lists/oss-security/2014/04/30/11
- secunia.com58347http://secunia.com/advisories/58347
07 Fixed in
Ubuntu 14.04 LTS
- xen Fixed in 4.4.0-0ubuntu5.1
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.