CVE-2017-10914
Aliases:DEBIAN-CVE-2017-10914
Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 05 Jul 2017, 01:00
Last modified:05 Aug 2024, 17:50
Vulnerability Summary
Overall Risk (default)
medium
33/100 CVSS Score
8.1 HIGH
v3.0 (nvd)
EPSS Score
1.61% LOW
2% probability +1.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
05 Jul 2017, 01:00
Published
Vulnerability first disclosed
05 Aug 2024, 17:50
Last Modified
Vulnerability information updated
Description
The grant-table feature in Xen through 4.8.x has a race condition leading to a double free, which allows guest OS users to cause a denial of service (memory consumption), or possibly obtain sensitive information or gain privileges, aka XSA-218 bug 2.
CVSS Metrics
- v3.0•HIGH•Score: 8.1CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 1.61%• Percentile: 75%
Techniques & Countermeasures
- CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
- CWE-415•Double Free
The product calls free() twice on the same memory address.
Affected Systems
- debian•xen
< 4.8.1-1+deb9u3 | < 4.8.1-1+deb9u3 | < 4.8.1-1+deb9u3 | < 4.8.1-1+deb9u3
- xen•xen
≤ 4.8.1
References (7)
- http://www.securitytracker.com/id/1038722
- https://security.gentoo.org/glsa/201708-03
- http://www.debian.org/security/2017/dsa-3969
- http://www.securityfocus.com/bid/99411
- https://xenbits.xen.org/xsa/advisory-218.html
- https://security.gentoo.org/glsa/201710-17
- https://security-tracker.debian.org/tracker/CVE-2017-10914