CVE-2014-8559

2014-11-1000:00:00

ubuntu.com

4.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

25.7%

JSON

The d_walk function in fs/dcache.c in the Linux kernel through 3.17.2 does
not properly maintain the semantics of rename_lock, which allows local
users to cause a denial of service (deadlock and system hang) via a crafted
application.

Bugs

<https://launchpad.net/bugs/1388975>

Notes

Author	Note
jdstrand	android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.04 preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support "See vfs.git#experimental-d_walk - the first commit there moves d_rcu from d_child to d_alias, the second is basically “skip the killed siblings rather than restarting the tree walk”

Author

Note

jdstrand

android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.04 preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support "See vfs.git#experimental-d_walk - the first commit there moves d_rcu from d_child to d_alias, the second is basically “skip the killed siblings rather than restarting the tree walk”

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchlinux< 3.2.0-76.111UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-46.75UNKNOWN
ubuntu14.10noarchlinux< 3.16.0-31.41UNKNOWN
ubuntu12.04noarchlinux-armadaxp< 3.2.0-1644.63UNKNOWN
ubuntu12.04noarchlinux-lts-trusty< 3.13.0-46.75~precise1UNKNOWN
ubuntu14.04noarchlinux-lts-utopic< 3.16.0-31.41~14.04.1UNKNOWN
ubuntu12.04noarchlinux-ti-omap4< 3.2.0-1459.79UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	12.04	noarch	linux	< 3.2.0-76.111	UNKNOWN
ubuntu	14.04	noarch	linux	< 3.13.0-46.75	UNKNOWN
ubuntu	14.10	noarch	linux	< 3.16.0-31.41	UNKNOWN
ubuntu	12.04	noarch	linux-armadaxp	< 3.2.0-1644.63	UNKNOWN
ubuntu	12.04	noarch	linux-lts-trusty	< 3.13.0-46.75~precise1	UNKNOWN
ubuntu	14.04	noarch	linux-lts-utopic	< 3.16.0-31.41~14.04.1	UNKNOWN
ubuntu	12.04	noarch	linux-ti-omap4	< 3.2.0-1459.79	UNKNOWN