CVE-2015-0268 — Improper Input Validation in XEN

CWE-20 — Improper Input Validation6 documents5 sources
Severity
4.9MEDIUMNVD
EPSS
0.1%
top 84.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENDebian XEN
Timeline
PublishedFeb 16
Latest updateMay 14

Description

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.

CVSS vector

AV:L/AC:L/C:N/I:N/A:CExploitability: 3.9 | Impact: 6.9

Affected Packages2 packages

▶NVDxen/xen4.5.0
▶debiandebian/xen

🔴Vulnerability Details

1
GHSA
GHSA-67x7-673j-9cxp: The vgic_v2_to_sgi function in arch/arm/vgic-v2↗2022-05-14
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📋Vendor Advisories

2
Red Hat
xen: GICD_SGIR is not properly emulated on ARM architecture (XSA-117)↗2015-02-12
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Debian
CVE-2015-0268: xen - The vgic_v2_to_sgi function in arch/arm/vgic-v2.c in Xen 4.5.x, when running on ...↗2015
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💬Community

2
Bugzilla
CVE-2015-0268 xen: GICD_SGIR is not properly emulated on ARM architecture (XSA-117) [fedora-all]↗2015-02-20
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Bugzilla
CVE-2015-0268 xen: GICD_SGIR is not properly emulated on ARM architecture (XSA-117)↗2015-01-29
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