Ubuntu.comUB:CVE-2016-9754CVE-2016-9754
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.3%
The ring_buffer_resize function in kernel/trace/ring_buffer.c in the
profiling subsystem in the Linux kernel before 4.6.1 mishandles certain
integer calculations, which allows local users to gain privileges by
writing to the /sys/kernel/debug/tracing/buffer_size_kb file.
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 |
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59643d1535eb220668692a5359de22545af579f6
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
github.com/torvalds/linux/commit/59643d1535eb220668692a5359de22545af579f6
launchpad.net/bugs/cve/CVE-2016-9754
nvd.nist.gov/vuln/detail/CVE-2016-9754
security-tracker.debian.org/tracker/CVE-2016-9754
source.android.com/security/bulletin/2017-01-01.html
ubuntu.com/security/notices/USN-3422-1
ubuntu.com/security/notices/USN-3422-2
www.cve.org/CVERecord?id=CVE-2016-9754
Related
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.3%