CVE-2014-5045 (retired)

Priority
Description
The mountpoint_last function in fs/namei.c in the Linux kernel before
3.15.8 does not properly maintain a certain reference count during attempts
to use the umount system call in conjunction with a symlink, which allows
local users to cause a denial of service (memory consumption or
use-after-free) or possibly have unspecified other impact via the umount
program.
Ubuntu-Description
Vasily Averin discover a reference count flaw during attempts to umount in
conjunction with a symlink. A local user could exploit this flaw to cause a
denial of service (memory consumption or use after free) or possibly have
other unspecified impact.
Notes
 jdstrand> android kernels (goldfish, grouper, maguro, mako and manta) are not
  supported on the Ubuntu Touch 13.10 preview kernels
 jdstrand> android kernels (flo, goldfish, grouper, maguro, mako and manta) are
  not supported on the Ubuntu Touch 14.04 preview kernels
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):released (3.13.0-35.62)
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (4.2.0-16.19)
Patches:
Introduced by 8033426e6bdb2690d302872ac1e1fadaec1a5581Fixed by 295dc39d941dc2ae53d5c170365af4c9d5c16212
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):ignored
Ubuntu 16.04 LTS (Xenial Xerus):not-affected
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):ignored
Ubuntu 16.04 LTS (Xenial Xerus):not-affected
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):ignored
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Patches:
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (3.16.0-25.33~14.04.2)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (3.19.0-18.18~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):ignored
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):ignored
Ubuntu 16.04 LTS (Xenial Xerus):not-affected
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):ignored
Ubuntu 16.04 LTS (Xenial Xerus):not-affected
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (4.2.0-1014.21)
Package
Upstream:released (3.16~rc7)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
More Information

Updated: 2019-03-26 12:13:22 UTC (commit ccdecfcf0fead22bd291e5f4ea745a46872dcb15)