CVE-2015-7814 — Improper Restriction of Operations within the Bounds of a Memory Buffer in XEN

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-362 — Race Condition8 documents6 sources
Severity
4.7MEDIUMNVD
EPSS
0.1%
top 82.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
XENDebian XEN
Timeline
PublishedOct 30
Latest updateMay 17

Description

Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6.x and earlier allows local domains with partial management control to cause a denial of service (host crash) via vectors involving the destruction of a domain and using XENMEM_decrease_reservation to reduce the memory of the domain.

CVSS vector

AV:L/AC:M/C:N/I:N/A:CExploitability: 3.4 | Impact: 6.9

Affected Packages3 packages

▶debiandebian/xen< xen 4.6.0-1 (bookworm)
▶Debianxen/xen< 4.6.0-1+3
▶NVDxen/xen4.6.0

🔴Vulnerability Details

2
GHSA
GHSA-99f8-q7r8-wg7x: Race condition in the relinquish_memory function in arch/arm/domain↗2022-05-17
▶
OSV
CVE-2015-7814: Race condition in the relinquish_memory function in arch/arm/domain↗2015-10-30
▶

📋Vendor Advisories

2
Red Hat
xen: Race between domain destruction and memory allocation decrease on ARM↗2015-10-29
▶
Debian
CVE-2015-7814: xen - Race condition in the relinquish_memory function in arch/arm/domain.c in Xen 4.6...↗2015
▶

💬Community

3
Bugzilla
CVE-2015-7969 CVE-2015-7970 CVE-2015-7813 CVE-2015-7814 CVE-2015-7812 CVE-2015-7971 CVE-2015-7835 CVE-2015-7972 xen: various flaws [fedora-all]↗2015-10-29
▶
Bugzilla
CVE-2015-7814 xen: Race between domain destruction and memory allocation decrease on ARM↗2015-10-14
▶
Bugzilla
CVE-2014-7814 CFME: REST API SQL Injection↗2014-10-27
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