USN-2854-1

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Source
https://ubuntu.com/security/notices/USN-2854-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2854-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-2854-1
Related
Published
2015-12-20T12:10:42.618340Z
Modified
2015-12-20T12:10:42.618340Z
Summary
linux-lts-vivid vulnerabilities
Details

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service (crash the host) or potentially execute arbitrary code on the host. (CVE-2015-8550)

Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform consistency checks on the device's state. An attacker could exploit this flaw to cause a denial of service (NULL dereference) on the host. (CVE-2015-8551)

Konrad Rzeszutek Wilk discovered the Xen PCI backend driver does not perform consistency checks on the device's state. An attacker could exploit this flaw to cause a denial of service by flooding the logging system with WARN() messages causing the initial domain to exhaust disk space. (CVE-2015-8552)

Jann Horn discovered a ptrace issue with user namespaces in the Linux kernel. The namespace owner could potentially exploit this flaw by ptracing a root owned process entering the user namespace to elevate its privileges and potentially gain access outside of the namespace. (http://bugs.launchpad.net/bugs/1527374, CVE-2015-8709)

References

Affected packages

Ubuntu:14.04:LTS / linux-lts-vivid

Package

Name
linux-lts-vivid
Purl
pkg:deb/ubuntu/linux-lts-vivid@3.19.0-42.48~14.04.1?arch=src?distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.19.0-42.48~14.04.1

Affected versions

3.*

3.19.0-18.18~14.04.1
3.19.0-20.20~14.04.1
3.19.0-21.21~14.04.1
3.19.0-22.22~14.04.1
3.19.0-23.24~14.04.1
3.19.0-25.26~14.04.1
3.19.0-26.28~14.04.1
3.19.0-28.30~14.04.1
3.19.0-30.33~14.04.1
3.19.0-30.34~14.04.1
3.19.0-31.36~14.04.1
3.19.0-32.37~14.04.1
3.19.0-33.38~14.04.1
3.19.0-37.42~14.04.1
3.19.0-39.44~14.04.1
3.19.0-41.46~14.04.2

Ecosystem specific 

{
    "availability": "No subscription required",
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            "floppy-modules-3.19.0-42-powerpc-e500mc-di": "3.19.0-42.48~14.04.1",
            "fs-core-modules-3.19.0-42-powerpc-e500mc-di": "3.19.0-42.48~14.04.1",
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    ]
}