5.5med

CVE-2016-9756

arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allow…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 40%
Public exploits
0
none known

Summary

arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.

Exploit prediction (EPSS)

0.46% probability of exploitation in the next 30 days, higher than 40% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD2.02.1AV:L/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Technology feeds
Linux kernel (RSS, critical only)

References

  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.8.12 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/12/01/1 · mailing-list, x_refsource_MLIST, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2117d5398c81554fbf803f5fd1dc55eb78216 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/94615 · vdb-entry, x_refsource_BID, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1400468 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2017-01/msg00000.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • github.com /torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0c · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.