USN-3847-3: Linux kernel (Azure) vulnerabilities
First published: Thu Dec 20 2018(Updated: )
USN-3847-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux kernel for Microsoft Azure Cloud systems for Ubuntu 14.04 LTS. It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leading to a double free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-10902) It was discovered that an integer overrun vulnerability existed in the POSIX timers implementation in the Linux kernel. A local attacker could use this to cause a denial of service. (CVE-2018-12896) Noam Rathaus discovered that a use-after-free vulnerability existed in the Infiniband implementation in the Linux kernel. An attacker could use this to cause a denial of service (system crash). (CVE-2018-14734) It was discovered that the YUREX USB device driver for the Linux kernel did not properly restrict user space reads or writes. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-16276) It was discovered that the BPF verifier in the Linux kernel did not correctly compute numeric bounds in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2018-18445) Kanda Motohiro discovered that writing extended attributes to an XFS file system in the Linux kernel in certain situations could cause an error condition to occur. A local attacker could use this to cause a denial of service. (CVE-2018-18690) It was discovered that an integer overflow vulnerability existed in the CDROM driver of the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2018-18710)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Ubuntu Linux kernel | =18.04 LTS=14.04 LTS |
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Reference Links
- https://ubuntu.com/security/CVE-2018-10902
- https://ubuntu.com/security/CVE-2018-12896
- https://ubuntu.com/security/CVE-2018-14734
- https://ubuntu.com/security/CVE-2018-16276
- https://ubuntu.com/security/CVE-2018-18445
- https://ubuntu.com/security/CVE-2018-18690
- https://ubuntu.com/security/CVE-2018-18710
- https://ubuntu.com/security/notices/USN-3847-2
- https://ubuntu.com/security/notices/USN-3847-1
- https://ubuntu.com/security/notices/USN-3776-1
- https://ubuntu.com/security/notices/USN-3776-2
- https://ubuntu.com/security/notices/USN-3849-2
- https://ubuntu.com/security/notices/USN-3849-1
- https://ubuntu.com/security/notices/USN-3848-1
- https://ubuntu.com/security/notices/USN-3848-2
- https://ubuntu.com/security/notices/USN-3797-2
- https://ubuntu.com/security/notices/USN-3797-1
- https://ubuntu.com/security/notices/USN-3835-1
- https://ubuntu.com/security/notices/USN-3832-1
- https://ubuntu.com/security/notices/USN-3846-1
- https://ubuntu.com/security/notices/USN-3847-3 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this advisory?
The vulnerability ID for this advisory is USN-3847-3.
What software is affected by this vulnerability?
The Linux kernel for Microsoft Azure Cloud systems for Ubuntu 14.04 LTS is affected by this vulnerability.
What is the severity of the vulnerabilities?
The severity of the vulnerabilities is not specified in the information provided.
What is the CVE ID for the race condition vulnerability?
The CVE ID for the race condition vulnerability is CVE-2018-10902.
Are there any available fixes for these vulnerabilities?
Yes, the Ubuntu security advisory USN-3847-1 provides the fixes for the Linux kernel vulnerabilities.
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