CVE-2026-58731

MEDIUM CVSS 3.1: 5.5
Updated Sep 16, 2026
In
Parameter Value
CVSS 5.5 (MEDIUM)
Type CWE-125 (Out-of-bounds Read), CWE-457
Vendor In
Public PoC No

In multiple functions of physmem_extmem_linux.c, there is a possible out-of-bounds read due to uninitialized data. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v3.1