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Ubuntu 18.04 LTS: 0061-1 Critical: Kernel Buffer Overflow Threats

ubuntu
Calendar Grey January 8, 2020
Dist Ubuntu Esm H88
Kernel Live Update Notification for Ubuntu tackles security vulnerabilities across several kernel versions. Ensure your systems are up to date!
Several security issues were fixed in the kernel.

Summary

Several security issues were fixed in the kernel.

Software Description:

- linux: Linux kernel

Details:

It was discovered that a heap-based buffer overflow existed in the Marvell

WiFi-Ex Driver for the Linux kernel. A physically proximate attacker could

use this to cause a denial of service (system crash) or possibly execute

arbitrary code. (CVE-2019-14895)

It was discovered that a heap-based buffer overflow existed in the Marvell

Libertas WLAN Driver for the Linux kernel. A physically proximate attacker

could use this to cause a denial of service (system crash) or possibly

execute arbitrary code. (CVE-2019-14896)

It was discovered that a heap-based buffer overflow existed in the Marvell

Libertas WLAN Driver for the Linux kernel. A physically proximate attacker

could use this to cause a denial of service (system crash) or possibly

execute arbitrary code. (CVE-2019-14897)

It was discovered that a heap-based buffer overflow existed in the Marvell

WiFi-Ex Driver for the Linux ker...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow software update kernel ubuntu livepatch

Update Instructions

The problem can be corrected by updating your livepatches to the following
versions:

| Kernel                   | Version  | flavors                  |
|--------------------------+----------+--------------------------|
| 4.4.0-168.197            | 61.1     | generic, lowlatency      |
| 4.4.0-169.198            | 61.1     | generic, lowlatency      |
| 4.4.0-170.199            | 61.1     | lowlatency, generic      |
| 4.4.0-1098.109           | 61.1     | aws                      |
| 4.15.0-69.78             | 61.1     | generic, lowlatency      |
| 4.15.0-69.78~16.04.1     | 61.1     | lowlatency, generic      |
| 4.15.0-70.79             | 61.1     | lowlatency, generic      |
| 4.15.0-70.79~16.04.1     | 61.1     | generic, lowlatency      |
| 4.15.0-72.81             | 61.1     | generic, lowlatency      |
| 4.15.0-72.81~16.04.1     | 61.1     | generic, lowlatency      |
| 4.15.0-1054.56           | 61.1     | aws                      |
| 4.15.0-1063.68           | 61.1     | azure                    |
| 4.15.0-1063.72           | 61.1     | oem                      |
| 4.15.0-1064.73           | 61.1     | oem                      |
| 4.15.0-1065.75           | 61.1     | oem                      |
| 5.0.0-1025.26~18.04.1    | 61.1     | gcp                      |
| 5.0.0-1025.27~18.04.1    | 61.1     | azure                    |

Support Information:

Kernels older than the levels listed below do not receive livepatch
updates. Please upgrade your kernel as soon as possible.

| Series           | Version          | Flavors                  |
|------------------+------------------+--------------------------|
| Ubuntu 18.04 LTS | 4.15.0-1054      | aws                      |
| Ubuntu 16.04 LTS | 4.4.0-1098       | aws                      |
| Ubuntu 18.04 LTS | 5.0.0-1025       | azure                    |
| Ubuntu 16.04 LTS | 4.15.0-1063      | azure                    |
| Ubuntu 18.04 LTS | 4.15.0-69        | generic lowlatency       |
| Ubuntu 18.04 LTS | 5.0.0-1025       | gcp                      |
| Ubuntu 16.04 LTS | 4.15.0-69        | generic lowlatency       |
| Ubuntu 14.04 LTS | 4.4.0-168        | generic lowlatency       |
| Ubuntu 18.04 LTS | 4.15.0-1063      | oem                      |
| Ubuntu 16.04 LTS | 4.4.0-168        | generic lowlatency       |

References

CVE-2019-14895, CVE-2019-14896, CVE-2019-14897, CVE-2019-14901,

CVE-2019-15794

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January 08, 2020

Topics%20covered

Topics Covered

security advisory denial of service buffer overflow software update kernel ubuntu livepatch

Package Information

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