USN-6972-2: Linux kernel (AWS) vulnerabilities
First published: Thu Aug 22 2024(Updated: )
Yuxuan Hu discovered that the Bluetooth RFCOMM protocol driver in the Linux Kernel contained a race condition, leading to a NULL pointer dereference. An attacker could possibly use this to cause a denial of service (system crash). (CVE-2024-22099) It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A privileged local attacker could use this to possibly cause a denial of service (system crash). (CVE-2024-24860) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems:
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux kernel |
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Reference Links
- https://ubuntu.com/security/CVE-2024-39484
- https://ubuntu.com/security/CVE-2024-39292
- https://ubuntu.com/security/CVE-2024-36940
- https://ubuntu.com/security/CVE-2024-36901
- https://ubuntu.com/security/CVE-2024-35955
- https://ubuntu.com/security/CVE-2024-35835
- https://ubuntu.com/security/CVE-2024-26903
- https://ubuntu.com/security/CVE-2024-26687
- https://ubuntu.com/security/CVE-2024-26679
- https://ubuntu.com/security/CVE-2024-26654
- https://ubuntu.com/security/notices/USN-6972-2 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-6972-2?
The severity of USN-6972-2 is high due to the potential for a denial of service caused by a null pointer dereference.
How do I fix USN-6972-2?
To fix USN-6972-2, you should upgrade your Linux kernel to the specified versions in the advisory.
What causes the vulnerability in USN-6972-2?
The vulnerability in USN-6972-2 is caused by a race condition in the Bluetooth RFCOMM protocol driver.
Which versions of Ubuntu are affected by USN-6972-2?
Ubuntu 16.04 and 18.04 are affected by USN-6972-2, particularly specific kernel package versions listed in the advisory.
Can USN-6972-2 lead to a system crash?
Yes, USN-6972-2 can lead to a system crash if exploited, making it critical to apply the related patches.
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