CVE-2019-18902: opensuse factory Use After Free

Vulnerability summary

CVE-2019-18902 is a critical (CVSS 9.8) Use After Free vulnerability in opensuse factory. EPSS estimates a 2.42% chance of exploitation in the next 30 days, higher than 83.8% of scored vulnerabilities.

Timeline

1. 02-03-2020
   PublishedVulnerability first disclosed.
2. 17-09-2024
   Last modifiedVulnerability information updated.

Description

A Use After Free vulnerability in wicked of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15; openSUSE Leap 15.1, Factory allows remote attackers to cause DoS or potentially code execution. This issue affects: SUSE Linux Enterprise Server 12 wicked versions prior to 0.6.60-3.5.1. SUSE Linux Enterprise Server 15 wicked versions prior to 0.6.60-3.21.1. openSUSE Leap 15.1 wicked versions prior to 0.6.60-lp151.2.6.1. openSUSE Factory wicked versions prior to 0.6.62.

• CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.