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CVE-2018-17963

CRITICAL
9.8
CVSS Score
Published: October 9, 2018 at 10:00 PM UTC
Updated: June 17, 2026 at 01:46 AM UTC
6 products affected across 4 vendorsDebian LinuxUbuntu LinuxQEMU

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Severity
CRITICAL9.8
Exploit prediction
EPSS 5%

Description

qemu_deliver_packet_iov in net/net.c in Qemu accepts packet sizes greater than INT_MAX, which allows attackers to cause a denial of service or possibly have unspecified other impact.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (9)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2018/10/08/1
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:2166
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:2425
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/errata/RHSA-2019:2553
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
Mailing Listx_refsource_MLISTPatchThird Party Advisory
Source: [email protected]
https://lists.gnu.org/archive/html/qemu-devel/2018-09/msg03267.html
x_refsource_MISCMailing ListPatchThird Party Advisory
Source: [email protected]
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg06054.html
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3826-1/

CVSS

9.8CRITICAL[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-190

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