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ubuntucveUbuntu.comUB:CVE-2016-4578
HistoryMay 23, 2016 - 12:00 a.m.

CVE-2016-4578

2016-05-2300:00:00
ubuntu.com
ubuntu.com
23

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

9.6%

sound/core/timer.c in the Linux kernel through 4.6 does not initialize
certain r1 data structures, which allows local users to obtain sensitive
information from kernel stack memory via crafted use of the ALSA timer
interface, related to the (1) snd_timer_user_ccallback and (2)
snd_timer_user_tinterrupt functions.

Bugs

Notes

Author Note
jdstrand android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support
OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchlinux<Β 3.2.0-105.146UNKNOWN
ubuntu14.04noarchlinux<Β 3.13.0-91.138UNKNOWN
ubuntu15.10noarchlinux<Β 4.2.0-41.48UNKNOWN
ubuntu16.04noarchlinux<Β 4.4.0-28.47UNKNOWN
ubuntu12.04noarchlinux-armadaxp<Β 3.2.0-1668.93UNKNOWN
ubuntu12.04noarchlinux-lts-trusty<Β 3.13.0-91.138~precise1UNKNOWN
ubuntu14.04noarchlinux-lts-utopic<Β 3.16.0-76.98~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-vivid<Β 3.19.0-64.72~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-wily<Β 4.2.0-41.48~14.04.1UNKNOWN
ubuntu14.04noarchlinux-lts-xenial<Β 4.4.0-28.47~14.04.1UNKNOWN
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References

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

9.6%