vulnwire
5.5med

CVE-2016-8650

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which…

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 35%
Public exploits
0
none known

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent.

Exploit prediction (EPSS)

0.41% probability of exploitation in the next 30 days, higher than 35% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation
  • CWE-399 Resource Management Errors
Technology feeds
Linux kernel (RSS, critical only)

References

  • github.com /torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073 · x_refsource_CONFIRM, x_transferred
  • securitytracker.com /id/1037968 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • seclists.org /fulldisclosure/2016/Nov/76 · mailing-list, x_refsource_FULLDISC, x_transferred
  • openwall.com /lists/oss-security/2016/11/24/8 · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1395187 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2018:1854 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:0932 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5527fffff3f002b0a6b376163613b82f69de · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2017:0933 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • access.redhat.com /errata/RHSA-2017:0931 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securityfocus.com /bid/94532 · vdb-entry, x_refsource_BID, x_transferred
  • source.android.com /security/bulletin/2017-03-01.html · x_refsource_CONFIRM, x_transferred

Sources

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