vulnwire
5.5med

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 infor…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 33%
Public exploits
0
none known

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.

Exploit prediction (EPSS)

0.39% probability of exploitation in the next 30 days, higher than 33% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD2.04.7AV:L/AC:M/Au:N/C:C/I:N/A:N

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
Technology feeds
Linux kernel (RSS, critical only)

References

  • source.android.com /security/bulletin/2016-11-01.html · x_refsource_CONFIRM, x_transferred
  • bugzilla.kernel.org /show_bug.cgi?id=116461 · x_refsource_CONFIRM, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.5.4 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3159-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • forums.grsecurity.net /viewtopic.php?f=3&t=4363 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3159-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/94138 · vdb-entry, x_refsource_BID, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8148a73c9901a8794a50f950083c00ccf97d4 · x_refsource_CONFIRM, x_transferred
  • github.com /torvalds/linux/commit/8148a73c9901a8794a50f950083c00ccf97d43b3 · x_refsource_CONFIRM, x_transferred

Sources

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