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…

cve CVE-2026-58731 1 source, 1 claim · Watch

NVD writes:
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. the claim
Severity
MEDIUM NVD
CVSS
6.2 NVD
Vendor
Google NVD
Product
Android NVD
CWE
CWE-125, CWE-457 NVD

How far exploitation has got

  1. No public code known
  2. Proof of concept
  3. Proof of concept, verified
  4. A Metasploit module
  5. Exploited in the wild
  6. Used in ransomware campaigns

Timeline

2026-09-15first spoke of it: 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.NVD

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.

What it is to other things

affectsgoogle/android
NVD
made_bygoogle
NVD
Every value, with what each source said and its receipt
PropertySourceSaidMeans here
Automatable
automatable
NVDno
At least one of those steps needs a person.
receipt
Source
NVD
Its words
no
Read by
field:cve.metrics.ssvcV203[].ssvcData.options[].automatable
Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCno
2026-09-29 09:45 UTC—
What the source handed over
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    "affected": [
      {
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          {
            "defaultStatus": "unaffected",
            "product": "Android",
            "vendor": "Google",
            "versions": [
              {
                "status": "affected",
                "version": "Android kernel"
              }
            ]
          }
        ],
        "source": "dsap-vuln-management@google.com"
      }
    ],
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      }
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    "id": "CVE-2026-58731",
    "lastModified": "2026-09-18T12:59:26.123",
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—
CVSS
cvss
NVD6.2
receipt
Source
NVD
Its words
6.2
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Said since
2026-09-29 09:45 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
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—
CVSS vector
cvss_vector
NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
receipt
Source
NVD
Its words
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Read by
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Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
2026-09-29 09:45 UTC—
What the source handed over
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—
CWE
cwe
NVDCWE-125, CWE-457
receipt
Source
NVD
Its words
CWE-125, CWE-457
Read by
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Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCCWE-125, CWE-457
2026-09-29 09:45 UTC—
What the source handed over
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—
Exploitation
exploitation
NVDnone
No evidence of exploitation, and no public proof of concept.
receipt
Source
NVD
Its words
none
Read by
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Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCnone
2026-09-29 09:45 UTC—
What the source handed over
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—
Product
product
NVDAndroid
receipt
Source
NVD
Its words
Android
Read by
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Said since
2026-09-29 17:49 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-09-29 17:49 UTCAndroid
2026-09-29 09:45 UTC—
What the source handed over
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—
Severity
severity
NVDMEDIUM
From 4.0 to 6.9.
receipt
Source
NVD
Its words
MEDIUM
Read by
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Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCMEDIUM
2026-09-29 09:45 UTC—
What the source handed over
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medium
Status
status
NVDAnalyzed
receipt
Source
NVD
Its words
Analyzed
Read by
field:cve.vulnStatus
Said since
2026-09-29 09:45 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
What the source handed over
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—
Technical impact
technical_impact
NVDpartial
The attacker gains limited control, or limited information.
receipt
Source
NVD
Its words
partial
Read by
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Said since
2026-10-06 12:31 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-10-06 12:31 UTCpartial
2026-09-29 09:45 UTC—
What the source handed over
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—
Vendor
vendor
NVDGoogle
receipt
Source
NVD
Its words
Google
Read by
field:cve.affected[].affectedData[].vendor
Said since
2026-09-29 17:49 UTC
Last answered
2026-10-06 12:41 UTC
Original
open at the source
2026-09-29 17:49 UTCGoogle
2026-09-29 09:45 UTC—
What the source handed over
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}
—
Every claim, by kind

vulnerability

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.
zetlyn/cve-nvd · 2026-09-15
automatable no cvss 6.2 cvss_vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N cwe CWE-125, CWE-457 exploitation none product Android severity MEDIUM status Analyzed technical_impact partial vendor Google source