Revision Date: | 2015-11-16 | Version: | 1 | Title: | CVE-2015-7312 on Ubuntu 14.04 LTS (trusty) - medium. | Description: | Multiple race conditions in the Advanced Union Filesystem (aufs) aufs3-mmap.patch and aufs4-mmap.patch patches for the Linux kernel 3.x and 4.x allow local users to cause a denial of service (use-after-free and BUG) or possibly gain privileges via a (1) madvise or (2) msync system call, related to mm/madvise.c and mm/msync.c. Ben Hutchings discovered that the Advanced Union Filesystem (aufs) for the Linux kernel did not correctly handle references of memory mapped files from an aufs mount. 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-2015-7312
| Platform(s): | Ubuntu 14.04 LTS
| Product(s): | | Definition Synopsis | Ubuntu 14.04 LTS (trusty) is installed. AND Package Information
The 'linux' package in trusty was vulnerable but has been fixed (note: '3.13.0-66.108').
OR NOT While related to the CVE in some way, the 'linux-aws' package in trusty is not affected (note: 'issue now fixed upstream').
OR NOT While related to the CVE in some way, the 'linux-azure' package in trusty is not affected (note: 'issue now fixed upstream').
OR While related to the CVE in some way, a decision has been made to ignore it.
OR While related to the CVE in some way, a decision has been made to ignore it.
OR While related to the CVE in some way, a decision has been made to ignore it.
OR The 'linux-lts-utopic' package in trusty was vulnerable but has been fixed (note: '3.16.0-51.69~14.04.1').
OR The 'linux-lts-vivid' package in trusty was vulnerable but has been fixed (note: '3.19.0-31.36~14.04.1').
OR NOT While related to the CVE in some way, the 'linux-lts-wily' package in trusty is not affected (note: '4.2.0-18.22~14.04.1').
OR NOT While related to the CVE in some way, the 'linux-lts-xenial' package in trusty is not affected (note: 'issue now fixed upstream').
OR While related to the CVE in some way, a decision has been made to ignore it.
OR While related to the CVE in some way, a decision has been made to ignore it.
OR While related to the CVE in some way, a decision has been made to ignore it.
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