7.8high

CVE-2016-4794

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possib…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 44%
Public exploits
0
none known

Summary

Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls.

Exploit prediction (EPSS)

0.51% probability of exploitation in the next 30 days, higher than 44% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.07.2AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Technology feeds
Linux kernel (RSS, critical only)

References

  • ubuntu.com /usn/USN-3054-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • source.android.com /security/bulletin/2016-12-01.html · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3053-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-3055-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-3056-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • openwall.com /lists/oss-security/2016/05/12/6 · mailing-list, x_refsource_MLIST, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2584.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2574.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lkml.org /lkml/2016/4/17/125 · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1335889 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3057-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/90625 · vdb-entry, x_refsource_BID, 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.