CVE-2016-7916 | BDVDB-2026-79302 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://source.android.com/security/bulletin/2016-11-01.html
- https://bugzilla.kernel.org/show_bug.cgi?id=116461
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4
- http://www.ubuntu.com/usn/USN-3159-1
- https://forums.grsecurity.net/viewtopic.php?f=3&t=4363
- http://www.ubuntu.com/usn/USN-3159-2
- http://www.securityfocus.com/bid/94138
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3
- https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.