VulnerabilityModified
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.
HIGH 8.4EPSS 0.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.4 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:H
- EPSS
- 0.56% probability · 45th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- qemu/qemu · canonical/ubuntu linux · debian/debian linux · redhat/openstack · redhat/virtualization · redhat/enterprise linux desktop · redhat/enterprise linux eus · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
- Source
- secalert@redhat.com
References
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b
- http://rhn.redhat.com/errata/RHSA-2016-2670.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2671.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2704.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2705.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2706.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0083.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0309.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0334.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0344.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0350.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/03/9Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/07/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/84130Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-2974-1Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=362786f14a753d8a5256ef97d7c10ed576d6572b
- http://rhn.redhat.com/errata/RHSA-2016-2670.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2671.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2704.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2705.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2706.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0083.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0309.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0334.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0344.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2017-0350.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/03/9Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/03/07/3Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/84130Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.