CWE
119 362
Advisory Published

USN-4095-1: Linux kernel vulnerabilities

First published: Tue Aug 13 2019(Updated: )

Eli Biham and Lior Neumann discovered that the Bluetooth implementation in the Linux kernel did not properly validate elliptic curve parameters during Diffie-Hellman key exchange in some situations. An attacker could use this to expose sensitive information. (CVE-2018-5383) 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) Andrei Vlad Lutas and Dan Lutas discovered that some x86 processors incorrectly handle SWAPGS instructions during speculative execution. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2019-1125) Jann Horn discovered that a race condition existed in the Linux kernel when performing core dumps. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2019-11599) It was discovered that the PowerPC dlpar implementation in the Linux kernel did not properly check for allocation errors in some situations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2019-12614) 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 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)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-4.4.0-1054-kvm<4.4.0-1054.61
4.4.0-1054.61
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-1090-aws<4.4.0-1090.101
4.4.0-1090.101
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-1118-raspi2<4.4.0-1118.127
4.4.0-1118.127
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-1122-snapdragon<4.4.0-1122.128
4.4.0-1122.128
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-159-generic<4.4.0-159.187
4.4.0-159.187
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-159-generic-lpae<4.4.0-159.187
4.4.0-159.187
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-159-lowlatency<4.4.0-159.187
4.4.0-159.187
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-159-powerpc-e500mc<4.4.0-159.187
4.4.0-159.187
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-159-powerpc-smp<4.4.0-159.187
4.4.0-159.187
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-159-powerpc64-emb<4.4.0-159.187
4.4.0-159.187
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-159-powerpc64-smp<4.4.0-159.187
4.4.0-159.187
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-aws<4.4.0.1090.94
4.4.0.1090.94
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-generic<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-generic-lpae<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-kvm<4.4.0.1054.54
4.4.0.1054.54
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-lowlatency<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-powerpc-e500mc<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-powerpc-smp<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-powerpc64-emb<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-powerpc64-smp<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-raspi2<4.4.0.1118.118
4.4.0.1118.118
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-snapdragon<4.4.0.1122.114
4.4.0.1122.114
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-virtual<4.4.0.159.167
4.4.0.159.167
Ubuntu Ubuntu=16.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What vulnerability does USN-4095-1 address?

    USN-4095-1 addresses the Linux kernel vulnerabilities.

  • What is the severity of CVE-2018-5383?

    The severity of CVE-2018-5383 is not specified.

  • How does CVE-2018-5383 impact the Linux kernel?

    CVE-2018-5383 can allow an attacker to expose sensitive information by exploiting a validation issue in the Bluetooth implementation in the Linux kernel during Diffie-Hellman key exchange.

  • How can I fix the vulnerabilities addressed by USN-4095-1?

    To fix the vulnerabilities addressed by USN-4095-1, update your Ubuntu 16.04 system to the specified kernel versions.

  • Where can I find more information about the vulnerabilities addressed by USN-4095-1?

    You can find more information about the vulnerabilities addressed by USN-4095-1 on the Ubuntu website.

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