synced 9 MIN AGO
01 Record

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 read and crash) via the payload length in a crafted packet.

UnratedPUBLISHEDCNA: redhat
CNA base scoreUnratedNo CNA CVSS vector
View raw JSON

02 Description

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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.56% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 46.5% of scored records. A rank, not a probability.
NVD base score
8.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2016-04-08 16:00Z10 YR AGO
Last updated
2024-08-05 23:40Z2 YR AGO
Reserved
2016-03-06
Assigning CNA
redhat
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
  • CWE-125Out-of-bounds ReadBase
Data version
5.1
Document digest
7f378cccb015226ccc4cd3ac9b76e759245b7d64b3801ade93bd91a1a13cbe33

05 Affected products

VendorProductVersionsPlatforms
canonicalubuntu_linuxNot specified—
debiandebian_linuxNot specified—
qemuqemuNot specified—
redhatenterprise_linuxNot specified—
redhatenterprise_linux_desktopNot specified—
redhatenterprise_linux_eusNot specified—
redhatenterprise_linux_serverNot specified—
redhatenterprise_linux_server_ausNot specified—
redhatenterprise_linux_server_tusNot specified—
redhatenterprise_linux_workstationNot specified—
redhatopenstackNot specified—
redhatvirtualizationNot specified—

06 References

07 Fixed in

Debian 12

  • qemu
    Fixed in 1:2.6+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • qemu
    Fixed in 1:2.6+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • qemu
    Fixed in 1:2.6+dfsg-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 14.04 LTS

  • qemu
    Fixed in 2.0.0+dfsg-2ubuntu1.24

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • qemu
    Fixed in 1:2.5+dfsg-5ubuntu10.1

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.