CVE-2024-35963: Bluetooth: hci_sock: Fix not validating setsockopt user input

Published May 20, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hcisock: Fix not validating setsockopt user input

Check user input length before copying data.

Other sources

In the Linux kernel, the following vulnerability has been resolved:

Bluetooth: hcisock: Fix not validating setsockopt user input

The Linux kernel CVE team has assigned CVE-2024-35963 to this issue.

Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024052021-CVE-2024-35963-7934@gregkh/T

— Red Hat

Affected Software

10 affected componentsFixes available
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
debian/linux-6.1
6.1.129-1~deb11u1
redhat/kernel<6.8.7
6.8.7
redhat/kernel<6.9
6.9
Linux Linux kernel>=5.16<6.1.113
Linux Linux kernel>=6.2<6.6.55
Linux Linux kernel>=6.7<6.8.7
Linux Linux kernel=6.9-rc1
Linux Linux kernel=6.9-rc2
Linux Linux kernel=6.9-rc3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1
  2. Upgrade

    Upgrade debian/linux-6.1 to a version that resolves this vulnerability.

    Fixed in 6.1.129-1~deb11u1
  3. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 6.8.7
  4. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 6.9

Event History

May 20, 2024
CVE Published
via MITRE·09:41 AM
Data Sourced
via MITRE·09:41 AM
DescriptionSeverity
Data Sourced
via NVD·10:15 AM
Description
Data Sourced
via NVD·10:15 AM
RemedySeverityWeaknessAffected Software
Data Sourced
via Red Hat·04:54 PM
DescriptionSeverityAffected Software
Jul 11, 2024
Data Sourced
via Launchpad·07:47 PM
Description
May 1, 2025
Data Sourced
via Ubuntu·12:24 AM
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2024-35963?

CVE-2024-35963 is categorized as a medium severity vulnerability due to improper input validation in the Bluetooth subsystem of the Linux kernel.

2

How do I fix CVE-2024-35963?

To remediate CVE-2024-35963, update to the fixed versions of the Linux kernel including 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.11-1, or 6.12.12-1.

3

What systems are affected by CVE-2024-35963?

CVE-2024-35963 affects Linux kernel versions prior to the fixed releases listed in the vulnerability details.

4

What does CVE-2024-35963 affect in the Linux kernel?

CVE-2024-35963 specifically affects the Bluetooth hci_sock feature by not properly validating user input in the setsockopt function.

5

Who is responsible for addressing CVE-2024-35963?

It is the responsibility of system administrators and users to apply the necessary kernel updates to mitigate CVE-2024-35963.

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