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CVE-2018-9363

Publication date 2 August 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.4 · High

Score breakdown

In the hidp_process_report in bluetooth, there is an integer overflow. This could lead to an out of bounds write with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android kernel Android ID: A-65853588 References: Upstream kernel.

From the Ubuntu Security Team

It was discovered that an integer overflow existed in the HID Bluetooth implementation in the Linux kernel that could lead to a buffer overwrite. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Read the notes from the security team

Status

Package Ubuntu Release Status
linux 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 4.15.0-39.42
16.04 LTS xenial
Fixed 4.4.0-138.164
14.04 LTS trusty
Fixed 3.13.0-162.212
linux-aws 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 4.15.0-1027.27
16.04 LTS xenial
Fixed 4.4.0-1070.80
14.04 LTS trusty
Fixed 4.4.0-1032.35
linux-azure 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 4.15.0-1031.32
16.04 LTS xenial
Fixed 4.15.0-1031.32~16.04.1
14.04 LTS trusty
Fixed 4.15.0-1031.32~14.04.1
linux-azure-edge 18.10 cosmic Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial
Fixed 4.15.0-1031.32
14.04 LTS trusty Not in release
linux-euclid 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-flo 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-gcp 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 4.15.0-1024.25
16.04 LTS xenial
Fixed 4.15.0-1024.25~16.04.2
14.04 LTS trusty Not in release
linux-gke 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-goldfish 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-grouper 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-hwe 18.10 cosmic Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial
Fixed 4.15.0-39.42~16.04.1
14.04 LTS trusty Not in release
linux-hwe-edge 18.10 cosmic Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial
Fixed 4.15.0-39.42~16.04.1
14.04 LTS trusty Not in release
linux-kvm 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 4.15.0-1026.26
16.04 LTS xenial
Fixed 4.4.0-1036.42
14.04 LTS trusty Not in release
linux-lts-trusty 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-utopic 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-vivid 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-wily 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-lts-xenial 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 4.4.0-138.164~14.04.1
linux-maguro 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-mako 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-manta 18.10 cosmic Not in release
18.04 LTS bionic Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty Not in release
linux-oem 18.10 cosmic
Fixed 4.15.0-1026.31
18.04 LTS bionic
Fixed 4.15.0-1026.31
16.04 LTS xenial Ignored
14.04 LTS trusty Not in release
linux-raspi2 18.10 cosmic
Not affected
18.04 LTS bionic
Fixed 4.15.0-1028.30
16.04 LTS xenial
Fixed 4.4.0-1099.107
14.04 LTS trusty Not in release
linux-snapdragon 18.10 cosmic Not in release
18.04 LTS bionic
Not affected
16.04 LTS xenial
Fixed 4.4.0-1103.108
14.04 LTS trusty Not in release

Notes

sbeattie

net/bluetooth/hidp/core.c::hidp_process_report()

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

Severity score breakdown

Parameter Value
Base score 8.4 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3820-3
    • Linux kernel (Azure) vulnerabilities
    • 14 November 2018
    • USN-3820-2
    • Linux kernel (HWE) vulnerabilities
    • 14 November 2018
    • USN-3820-1
    • Linux kernel vulnerabilities
    • 14 November 2018
    • USN-3822-2
    • Linux kernel (Trusty HWE) vulnerabilities
    • 14 November 2018
    • USN-3822-1
    • Linux kernel vulnerabilities
    • 14 November 2018
    • USN-3797-2
    • Linux kernel (Xenial HWE) vulnerabilities
    • 23 October 2018
    • USN-3797-1
    • Linux kernel vulnerabilities
    • 23 October 2018

Other references