Home/CVE/Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns
CVE

CVE-2014-5148

Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns

Xen 4.4.x, when running on an ARM system and "handling an unknown system register access from 64-bit userspace," returns to an instruction of the trap handler for kernel space faults instead of an instruction that is associated with faults in 64-bit userspace, which allows local guest users to cause a denial of service (crash) and possibly gain privileges via a crafted process.

MEDIUM · CVSS 4.6 EPSS 0.00156
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

1
xenall versions
▣

Scoring & Timeline

4.6
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:L/AC:L/Au:N/C:P/I:P/A:P
Published to NVD26 Oct 2014 · 08:55 PM
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://secunia.com/advisories/59934
http://www.securityfocus.com/bid/69189
http://www.securitytracker.com/id/1030725
http://xenbits.xenproject.org/xsa/advisory-103.htmlPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/95233
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