CVE-2024-35967

Kernel-memory disclosure via unchecked SCO option length

Published May 20, 2024 · Updated Aug 5, 2026

Out-of-bounds read in Linux Bluetooth SCO sockets allows local users to disclose kernel memory by passing a short setsockopt buffer. sco_sock_setsockopt() copies a four-byte option from the user pointer without first requiring an option length of at least four bytes. An unprivileged local account can reach the flaw without Bluetooth radio traffic or a paired peer, and repeated access can leak adjacent kernel data or crash the host.

CVSS severity7.1
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read in Linux Bluetooth SCO sockets allows local users to disclose kernel memory by passing a short setsockopt buffer. sco_sock_setsockopt() copies a four-byte option from the user pointer without first requiring an option length of at least four bytes. An unprivileged local account can reach the flaw without Bluetooth radio traffic or a paired peer, and repeated access can leak adjacent kernel data or crash the host.

The record

CVE
CVE-2024-35967
Published
May 20, 2024
Updated
Aug 5, 2026
Vendor
Siemens
Product
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem
Classifications
CWE-20, CWE-125, T1005
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. May 20, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <*

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Siemens · SIMATIC S7-1500 TM MFP - GNU/Linux subsystemversion=0 <*
The Linux Kernel Organization · Linuxversion=3.8; version=b96e9c671b05f95126753a22145d4509d45ca197 <2c2dc87cdebef3fe3b9d7a711a984c70e376e32e; version=b96e9c671b05f95126753a22145d4509d45ca197 <419a0ffca7010216f0fc265b08558d7394fa0ba7; version=b96e9c671b05f95126753a22145d4509d45ca197 <51eda36d33e43201e7a4fd35232e069b2c850b01; version=b96e9c671b05f95126753a22145d4509d45ca197 <72473db90900da970a16ee50ad23c2c38d107d8c; version=b96e9c671b05f95126753a22145d4509d45ca197 <7bc65d23ba20dcd7ecc094a12c181e594e5eb315; version=b96e9c671b05f95126753a22145d4509d45ca197 <b0e30c37695b614bee69187f86eaf250e36606ce

Published CVSS scores

5.5OracleCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
7.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
5.5Siemens ProductCERTCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
CWE-125Out-of-bounds Read
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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