| Revision Date: | 2016-02-08 | Version: | 1 | | Title: | CVE-2016-0728 on Ubuntu 16.04 LTS (xenial) - high. | | Description: | The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands. Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges.
| | Family: | unix | Class: | vulnerability | | Status: | | Reference(s): | CVE-2016-0728
| | Platform(s): | Ubuntu 16.04 LTS
| Product(s): | | | Definition Synopsis | | Ubuntu 16.04 LTS (xenial) is installed. AND Package Information
linux package in xenial, is related to the CVE in some way and has been fixed (note: '4.3.0-7.18').
OR linux-aws package in xenial, is related to the CVE in some way and has been fixed (note: '4.4.0-1001.10').
OR linux-gke package in xenial, is related to the CVE in some way and has been fixed (note: '4.4.0-1003.3').
OR linux-hwe package in xenial, is related to the CVE in some way and has been fixed (note: '4.8.0-36.36~16.04.1').
OR linux-meta package in xenial, is related to the CVE in some way and has been fixed (note: '4.3.0-7.18').
OR linux-meta-aws package in xenial, is related to the CVE in some way and has been fixed (note: '4.4.0-1001.10').
OR linux-meta-hwe package in xenial, is related to the CVE in some way and has been fixed (note: '4.8.0-36.36~16.04.1').
OR linux-meta-raspi2 package in xenial, is related to the CVE in some way and has been fixed (note: '4.4.0-1003.4').
OR linux-meta-snapdragon package in xenial, is related to the CVE in some way and has been fixed (note: '4.4.0-1012.12').
OR linux-raspi2 package in xenial, is related to the CVE in some way and has been fixed (note: '4.4.0-1003.4').
OR linux-signed package in xenial, is related to the CVE in some way and has been fixed (note: '4.3.0-7.18').
OR linux-signed-hwe package in xenial, is related to the CVE in some way and has been fixed (note: '4.8.0-36.36~16.04.1').
OR linux-snapdragon package in xenial, is related to the CVE in some way and has been fixed (note: '4.4.0-1012.12').
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