VulnerabilityModified
CVE-2016-7916
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…
MEDIUM 5.5EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 0.39% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- linux/linux kernel
- Source
- security@android.com
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3Issue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/94138Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3159-1
- http://www.ubuntu.com/usn/USN-3159-2
- https://bugzilla.kernel.org/show_bug.cgi?id=116461Issue Tracking
- https://forums.grsecurity.net/viewtopic.php?f=3&t=4363Issue Tracking
- https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3Issue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3Issue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/94138Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3159-1
- http://www.ubuntu.com/usn/USN-3159-2
- https://bugzilla.kernel.org/show_bug.cgi?id=116461Issue Tracking
- https://forums.grsecurity.net/viewtopic.php?f=3&t=4363Issue Tracking
- https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.