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  1. CVEs
  2. CVE-2016-7916
  1. CVEs

CVE-2016-7916

medium
  • Information
  • CPEs
  • Plugins

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.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d43b3

https://bugzilla.kernel.org/show_bug.cgi?id=116461

https://github.com/torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.4

http://www.ubuntu.com/usn/USN-3159-1

http://www.ubuntu.com/usn/USN-3159-2

Details

Published: 2016-11-16

Risk Information

CVSS v2

Base Score: 4.7

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

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