CVE-2014-0147: fedoraproject fedora Integer Overflow or Wraparound

Vulnerability summary

CVE-2014-0147 is a medium (CVSS 6.2) Integer Overflow or Wraparound vulnerability in fedoraproject fedora. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 26% of scored vulnerabilities.

Timeline

1. 11-02-2020
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

Description

Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.

• CWE-190Integer Overflow or WraparoundThe product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.