CVE-2026-58847
KVM VFIO Double Free Vulnerability
Description
In kvm_vfio_pviommu_attach of vfio.c, there is a possible double free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
INFO
Published Date :
Nov. 2, 2026, 8:17 p.m.
Last Modified :
Nov. 3, 2026, 5:18 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Review and fix the logic error in vfio_pviommu_attach.
- Apply the vendor patch for the identified vulnerability.
- Test the system for privilege escalation vulnerabilities.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-58847.
| URL | Resource |
|---|---|
| https://android.googlesource.com/kernel/common/+/8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb | |
| https://source.android.com/docs/security/bulletin/2026/2026-11-01 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-58847 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-58847
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-58847 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-58847 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Nov. 03, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-58847', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-11-02T00:00:00+00:00'} -
New CVE Received by [email protected]
Nov. 02, 2026
Action Type Old Value New Value Added Description In kvm_vfio_pviommu_attach of vfio.c, there is a possible double free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/58xxx/CVE-2026-58847.json">CVE-2026-58847</a> Added Reference https://android.googlesource.com/kernel/common/+/8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb Added Reference https://source.android.com/docs/security/bulletin/2026/2026-11-01