Ubuntu.comUB:CVE-2016-7916CVE-2016-7916
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.7 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:C/I:N/A:N
0.001 Low
EPSS
Percentile
30.7%
Race condition in the environ_read function in fs/proc/base.c in the Linux
kernel before 4.5.4 allows local users to obtain sensitive information from
kernel memory by reading a /proc/*/environ file during a process-setup time
interval in which environment-variable copying is incomplete.
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 |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 12.04 | noarch | linux | < 3.2.0-119.162 | UNKNOWN |
| ubuntu | 14.04 | noarch | linux | < 3.13.0-106.153 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux | < 4.4.0-24.43 | UNKNOWN |
| ubuntu | 12.04 | noarch | linux-armadaxp | < 3.2.0-1680.107 | UNKNOWN |
| ubuntu | 12.04 | noarch | linux-lts-trusty | < 3.13.0-106.153~precise1 | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-lts-vivid | < 3.19.0-78.86~14.04.1 | UNKNOWN |
| ubuntu | 14.04 | noarch | linux-lts-xenial | < 4.4.0-24.43~14.04.1 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-raspi2 | < 4.4.0-1012.16 | UNKNOWN |
| ubuntu | 16.04 | noarch | linux-snapdragon | < 4.4.0-1015.18 | UNKNOWN |
| ubuntu | 12.04 | noarch | linux-ti-omap4 | < 3.2.0-1497.124 | UNKNOWN |
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3
source.android.com/security/bulletin/2016-11-01.html
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4
bugzilla.kernel.org/show_bug.cgi?id=116461
forums.grsecurity.net/viewtopic.php?f=3&t=4363
github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3
launchpad.net/bugs/cve/CVE-2016-7916
nvd.nist.gov/vuln/detail/CVE-2016-7916
security-tracker.debian.org/tracker/CVE-2016-7916
ubuntu.com/security/notices/USN-3159-1
ubuntu.com/security/notices/USN-3159-2
ubuntu.com/security/notices/USN-3160-1
ubuntu.com/security/notices/USN-3160-2
www.cve.org/CVERecord?id=CVE-2016-7916
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.7 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:M/Au:N/C:C/I:N/A:N
0.001 Low
EPSS
Percentile
30.7%