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[USN-3221-2] Linux kernel (HWE) vulnerability

Severity High
Affected Packages 4
CVEs 1
Info Packages Vulnerabilities

The system could be made to crash or run programs as an administrator.

USN-3221-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS.

Alexander Popov discovered that the N_HDLC line discipline implementation
in the Linux kernel contained a double-free vulnerability. A local attacker
could use this to cause a denial of service (system crash) or possibly gain
administrative privileges. (CVE-2017-2636)

Package Affected Version
pkg:deb/ubuntu/linux-image-extra-4.8.0-41-generic?distro=xenial < 4.8.0-41.44~16.04.1
pkg:deb/ubuntu/linux-image-4.8.0-41-lowlatency?distro=xenial < 4.8.0-41.44~16.04.1
pkg:deb/ubuntu/linux-image-4.8.0-41-generic?distro=xenial < 4.8.0-41.44~16.04.1
pkg:deb/ubuntu/linux-image-4.8.0-41-generic-lpae?distro=xenial < 4.8.0-41.44~16.04.1
ID
USN-3221-2
Severity
high
URL
https://ubuntu.com/security/notices/USN-3221-2
Published
2017-03-08T03:31:26
(7 years ago)
Modified
2017-03-08T03:31:26
(7 years ago)
Other Advisories
Type Package URL Namespace Name / Product Version Distribution / Platform Arch Patch / Fix
Affected pkg:deb/ubuntu/linux-image-extra-4.8.0-41-generic?distro=xenial ubuntu linux-image-extra-4.8.0-41-generic < 4.8.0-41.44~16.04.1 xenial
Affected pkg:deb/ubuntu/linux-image-4.8.0-41-lowlatency?distro=xenial ubuntu linux-image-4.8.0-41-lowlatency < 4.8.0-41.44~16.04.1 xenial
Affected pkg:deb/ubuntu/linux-image-4.8.0-41-generic?distro=xenial ubuntu linux-image-4.8.0-41-generic < 4.8.0-41.44~16.04.1 xenial
Affected pkg:deb/ubuntu/linux-image-4.8.0-41-generic-lpae?distro=xenial ubuntu linux-image-4.8.0-41-generic-lpae < 4.8.0-41.44~16.04.1 xenial
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories Exploits PoC Pubblication Date Modification Date
# CVE Description CVSS EPSS EPSS Trend (30 days) Affected Products Weaknesses Security Advisories PoC Pubblication Date Modification Date