CVE-2026-59046
pkvm Out-of-Bounds Write Vulnerability
Description
In __pkvm_guest_relinquish_to_host of mem_protect.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local denial of service 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. 2, 2026, 8:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Solution
- Apply the security patch for mem_protect.c.
- Validate user input strictly.
- Review memory management functions.
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-2026-59046.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-59046 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-2026-59046
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-2026-59046 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-59046 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.
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New CVE Received by [email protected]
Nov. 02, 2026
Action Type Old Value New Value Added Description In __pkvm_guest_relinquish_to_host of mem_protect.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local denial of service 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/2026/59xxx/CVE-2026-59046.json">CVE-2026-59046</a> Added Reference https://android.googlesource.com/kernel/common/+/4a75aa4e840f294efd47084e083a6e91069bce58 Added Reference https://android.googlesource.com/kernel/common/+/525cfccadb92e7c9314d03cce600fed7335874d9 Added Reference https://source.android.com/docs/security/bulletin/2026/2026-11-01