8.4high

CVE-2016-2857

The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
8.4
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 47%
Public exploits
0
none known

Summary

The net_checksum_calculate function in net/checksum.c in QEMU allows local guest OS users to cause a denial of service (out-of-bounds heap read and crash) via the payload length in a crafted packet.

Exploit prediction (EPSS)

0.56% probability of exploitation in the next 30 days, higher than 47% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.18.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
NVD2.03.6AV:L/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

  • rhn.redhat.com /errata/RHSA-2017-0334.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2671.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0083.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • openwall.com /lists/oss-security/2016/03/03/9 · mailing-list, x_refsource_MLIST, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2706.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • openwall.com /lists/oss-security/2016/03/07/3 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/84130 · vdb-entry, x_refsource_BID, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0350.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2705.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • ubuntu.com /usn/USN-2974-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0309.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2670.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • rhn.redhat.com /errata/RHSA-2017-0344.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • git.qemu.org /?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00038.html · mailing-list, x_refsource_MLIST, x_transferred
  • rhn.redhat.com /errata/RHSA-2016-2704.html · vendor-advisory, x_refsource_REDHAT, 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.