CWE
119 190 476
Advisory Published

USN-3293-1: Linux kernel vulnerabilities

First published: Wed May 17 2017(Updated: )

Dmitry Vyukov discovered that KVM implementation in the Linux kernel improperly emulated the VMXON instruction. A local attacker in a guest OS could use this to cause a denial of service (memory consumption) in the host OS. (CVE-2017-2596) Dmitry Vyukov discovered that the generic SCSI (sg) subsystem in the Linux kernel contained a stack-based buffer overflow. A local attacker with access to an sg device could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7187) It was discovered that a NULL pointer dereference existed in the Direct Rendering Manager (DRM) driver for VMWare devices in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-7261) Li Qiang discovered that an integer overflow vulnerability existed in the Direct Rendering Manager (DRM) driver for VMWare devices in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7294) Jason Donenfeld discovered a heap overflow in the MACsec module in the Linux kernel. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7477) It was discovered that an information leak existed in the set_mempolicy and mbind compat syscalls in the Linux kernel. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2017-7616)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-4.10.0-21-generic-lpae<4.10.0-21.23
4.10.0-21.23
=17.04
All of
ubuntu/linux-image-generic<4.10.0.21.23
4.10.0.21.23
=17.04
All of
ubuntu/linux-image-4.10.0-1005-raspi2<4.10.0-1005.7
4.10.0-1005.7
=17.04
All of
ubuntu/linux-image-generic-lpae<4.10.0.21.23
4.10.0.21.23
=17.04
All of
ubuntu/linux-image-4.10.0-21-generic<4.10.0-21.23
4.10.0-21.23
=17.04
All of
ubuntu/linux-image-4.10.0-21-lowlatency<4.10.0-21.23
4.10.0-21.23
=17.04
All of
ubuntu/linux-image-lowlatency<4.10.0.21.23
4.10.0.21.23
=17.04
All of
ubuntu/linux-image-raspi2<4.10.0.1005.7
4.10.0.1005.7
=17.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Linux kernel vulnerability?

    The vulnerability ID for this Linux kernel vulnerability is CVE-2017-2596.

  • What is the impact of this vulnerability?

    This vulnerability allows a local attacker in a guest OS to cause a denial of service (memory consumption) in the host OS.

  • Which software versions are affected by this vulnerability?

    Software versions 4.10.0-21.23 and earlier are affected by this vulnerability.

  • How can I fix this vulnerability?

    To fix this vulnerability, update the Linux kernel to version 4.10.0-21.23 or later.

  • Where can I find more information about this vulnerability?

    You can find more information about this vulnerability on the Ubuntu security website: https://ubuntu.com/security/CVE-2017-2596.

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