medium
6
CWE
400
Advisory Published
Updated

CVE-2017-15596

First published: Wed Oct 18 2017(Updated: )

An issue was discovered in Xen 4.4.x through 4.9.x allowing ARM guest OS users to cause a denial of service (prevent physical CPU usage) because of lock mishandling upon detection of an add-to-physmap error.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Xen xen-unstable=4.4.0
Xen xen-unstable=4.4.0-rc1
Xen xen-unstable=4.4.0-rc2
Xen xen-unstable=4.4.0-rc3
Xen xen-unstable=4.4.0-rc4
Xen xen-unstable=4.4.0-rc5
Xen xen-unstable=4.4.0-rc6
Xen xen-unstable=4.4.1
Xen xen-unstable=4.4.1-rc1
Xen xen-unstable=4.4.1-rc2
Xen xen-unstable=4.4.2
Xen xen-unstable=4.4.2-rc1
Xen xen-unstable=4.4.2-rc2
Xen xen-unstable=4.4.3
Xen xen-unstable=4.4.3-rc1
Xen xen-unstable=4.4.4
Xen xen-unstable=4.5.0
Xen xen-unstable=4.5.0-rc1
Xen xen-unstable=4.5.0-rc2
Xen xen-unstable=4.5.0-rc3
Xen xen-unstable=4.5.0-rc4
Xen xen-unstable=4.5.1
Xen xen-unstable=4.5.1-rc1
Xen xen-unstable=4.5.1-rc2
Xen xen-unstable=4.5.2
Xen xen-unstable=4.5.3
Xen xen-unstable=4.5.4
Xen xen-unstable=4.5.5
Xen xen-unstable=4.6.0
Xen xen-unstable=4.6.0-rc1
Xen xen-unstable=4.6.0-rc2
Xen xen-unstable=4.6.0-rc3
Xen xen-unstable=4.6.0-rc4
Xen xen-unstable=4.6.0-rc5
Xen xen-unstable=4.6.1
Xen xen-unstable=4.6.2
Xen xen-unstable=4.6.3
Xen xen-unstable=4.6.4
Xen xen-unstable=4.6.5
Xen xen-unstable=4.6.6
Xen xen-unstable=4.7.0
Xen xen-unstable=4.7.0-rc1
Xen xen-unstable=4.7.0-rc2
Xen xen-unstable=4.7.0-rc3
Xen xen-unstable=4.7.0-rc4
Xen xen-unstable=4.7.0-rc5
Xen xen-unstable=4.7.0-rc6
Xen xen-unstable=4.7.1
Xen xen-unstable=4.7.2
Xen xen-unstable=4.7.3
Xen xen-unstable=4.8.0
Xen xen-unstable=4.8.0-rc1
Xen xen-unstable=4.8.0-rc2
Xen xen-unstable=4.8.0-rc3
Xen xen-unstable=4.8.0-rc4
Xen xen-unstable=4.8.0-rc5
Xen xen-unstable=4.8.0-rc6
Xen xen-unstable=4.8.0-rc7
Xen xen-unstable=4.8.0-rc8
Xen xen-unstable=4.8.1
Xen xen-unstable=4.8.2
Xen xen-unstable=4.9.0
Xen xen-unstable=4.9.0-rc1
Xen xen-unstable=4.9.0-rc1.1
Xen xen-unstable=4.9.0-rc1.2
Xen xen-unstable=4.9.0-rc2
Xen xen-unstable=4.9.0-rc3
Xen xen-unstable=4.9.0-rc4
Xen xen-unstable=4.9.0-rc5
Xen xen-unstable=4.9.0-rc6
Xen xen-unstable=4.9.0-rc7
Xen xen-unstable=4.9.0-rc8
Xen xen-unstable=4.9.0-rc9

Remedy

https://xenbits.xen.org/xsa/advisory-235.html

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2017-15596?

    CVE-2017-15596 has been rated as a high severity vulnerability due to its potential to cause denial of service.

  • How do I fix CVE-2017-15596?

    To fix CVE-2017-15596, it is recommended to upgrade to a patched version of Xen that addresses this vulnerability.

  • What versions of Xen are affected by CVE-2017-15596?

    CVE-2017-15596 affects Xen version 4.4.x through 4.9.x.

  • What type of attack is possible with CVE-2017-15596?

    CVE-2017-15596 allows ARM guest OS users to cause a denial of service by mismanaging locks.

  • Can CVE-2017-15596 be exploited remotely?

    Yes, CVE-2017-15596 can potentially be exploited remotely if an attacker has access to an ARM guest in a vulnerable Xen environment.

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