vulnwire
5.5med

CVE-2016-4470

The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 48%
Public exploits
0
none known

The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.

Exploit prediction (EPSS)

0.58% probability of exploitation in the next 30 days, higher than 48% 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

Technology feeds
Linux kernel (RSS, critical only)

References

  • oracle.com /technetwork/topics/security/ovmbulletinjul2016-3090546.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00022.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00023.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3054-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00017.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1657.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00008.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinjul2016-3090544.html · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3051-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2128.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00003.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2133.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oracle.com /technetwork/topics/security/linuxbulletinoct2016-3090545.html · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00015.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00007.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3053-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00055.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00012.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3055-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00019.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-3056-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-3052-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-3049-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1541.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00026.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00027.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • debian.org /security/2016/dsa-3607 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1539.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • securitytracker.com /id/1036763 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-1532.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2006.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00021.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38327424b40bcebe2de92d07312c89360ac92 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/06/15/11 · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1341716 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3050-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00018.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00020.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00013.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00014.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00000.html · Third Party Advisory
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00009.html
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00016.html
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00044.html
  • rhn.redhat.com /errata/RHSA-2016-2074.html
  • rhn.redhat.com /errata/RHSA-2016-2076.html

Sources

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