Input validation error in Xen - CVE-2015-0268

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Main Vulnerability Database Vulnerabilities #VU32427

Input validation error in Xen - CVE-2015-0268

Published: February 16, 2015 / Updated: July 28, 2020


Vulnerability identifier: #VU32427
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-0268
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ARM hardware with general interrupt controller (GIC) version 2, allows local guest users to cause a denial of service (host crash) by writing an invalid value to the GICD.SGIR register.


Affected software

Xen
xen (Alpine package)

How to mitigate CVE-2015-0268

Install update from vendor's website.

xen (Alpine package) - update to 4.5.0-r0

External References

Related Security Bulletins