CVE-2026-58731

Android Kernel Uninitialized Data Out-of-Bounds Read Causing Local Information Disclosure

Published Sep 15, 2026 CVSS 3.1 · 6.2 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Android Kernel Uninitialized Data Out-of-Bounds Read Causing Local Information Disclosure
Type Values Removed Values Added
CPEs cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Android Local Information Disclosure via Uninitialized Read in physmem_extmem_linux.c
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
Title Android Local Information Disclosure via Uninitialized Read in physmem_extmem_linux.c
Type Values Removed Values Added
First Time appeared Google
Google android
Vendors & Products Google
Google android
Type Values Removed Values Added
Weaknesses CWE-125
CWE-457
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Google_Devices
Published
Updated
Sep 16, 2026, 3:59 PM
Reserved
Jul 2, 2026, 5:40 AM
Status
Analyzed
Published
Sep 15, 2026, 7:17 PM
Modified
Sep 18, 2026, 12:59 PM