USN-4117-1: Linux kernel (AWS) vulnerabilities
First published: Mon Sep 02 2019(Updated: )
It was discovered that a heap buffer overflow existed in the Marvell Wireless LAN device driver for the Linux kernel. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-10126) Amit Klein and Benny Pinkas discovered that the Linux kernel did not sufficiently randomize IP ID values generated for connectionless networking protocols. A remote attacker could use this to track particular Linux devices. (CVE-2019-10638) It was discovered that a NULL pointer dereference vulnerability existed in the Near-field communication (NFC) implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-12984) Jann Horn discovered a use-after-free vulnerability in the Linux kernel when accessing LDT entries in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-13233) Jann Horn discovered that the ptrace implementation in the Linux kernel did not properly record credentials in some situations. A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges. (CVE-2019-13272) It was discovered that the floppy driver in the Linux kernel did not properly validate meta data, leading to a buffer overread. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-14283) It was discovered that the floppy driver in the Linux kernel did not properly validate ioctl() calls, leading to a division-by-zero. A local attacker could use this to cause a denial of service (system crash). (CVE-2019-14284) It was discovered that the Marvell Wireless LAN device driver in the Linux kernel did not properly validate the BSS descriptor. A local attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-3846) Jason Wang discovered that an infinite loop vulnerability existed in the virtio net driver in the Linux kernel. A local attacker in a guest VM could possibly use this to cause a denial of service in the host system. (CVE-2019-3900)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-aws | <5.0.0.1014.15 | 5.0.0.1014.15 |
| Ubuntu OpenSSH Client | =19.04 | |
| All of | ||
| ubuntu/linux-image-5.0.0-1014-aws | <5.0.0-1014.16 | 5.0.0-1014.16 |
| Ubuntu OpenSSH Client | =19.04 |
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Reference Links
- https://ubuntu.com/security/CVE-2019-10126
- https://ubuntu.com/security/CVE-2019-10638
- https://ubuntu.com/security/CVE-2019-12984
- https://ubuntu.com/security/CVE-2019-13233
- https://ubuntu.com/security/CVE-2019-13272
- https://ubuntu.com/security/CVE-2019-14283
- https://ubuntu.com/security/CVE-2019-14284
- https://ubuntu.com/security/CVE-2019-3846
- https://ubuntu.com/security/CVE-2019-3900
- https://ubuntu.com/security/notices/USN-4118-1
- https://ubuntu.com/security/notices/USN-4095-1
- https://ubuntu.com/security/notices/USN-4094-1
- https://ubuntu.com/security/notices/USN-4095-2
- https://ubuntu.com/security/notices/USN-4093-1
- https://ubuntu.com/security/notices/USN-4116-1
- https://ubuntu.com/security/notices/USN-4114-1
- https://ubuntu.com/security/notices/USN-4115-1
- https://launchpad.net/ubuntu/+source/linux-aws/5.0.0-1014.16
- https://ubuntu.com/security/notices/USN-4117-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the vulnerability ID for this Linux kernel vulnerability on AWS?
The vulnerability ID for this Linux kernel vulnerability on AWS is CVE-2019-10126.
What is the impact of this vulnerability?
This vulnerability can cause a denial of service (system crash) or possibly execute arbitrary code.
How can this vulnerability be exploited?
An attacker can exploit this vulnerability by triggering a heap buffer overflow in the Marvell Wireless LAN device driver for the Linux kernel.
What is the affected software?
The affected software is Ubuntu Linux with the linux-image-aws package version up to 5.0.0.1014.15 or linux-image-5.0.0-1014-aws package version up to 5.0.0-1014.16.
How can I fix this vulnerability?
To fix this vulnerability, update the linux-image-aws package to version 5.0.0.1014.15 or the linux-image-5.0.0-1014-aws package to version 5.0.0-1014.16.
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