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Vulnerability DatabaseCVE-2022-31291
CVE-2022-31291:
Linux Debian vulnerability analysis and mitigation
Overview
CVE-2022-31291 is a security vulnerability discovered in dlt-daemon (Diagnostic Log and Trace logging daemon) version 2.18.8. The vulnerability was identified in May 2022 and affects the dltconfigfile_parser.c component of the software (Debian Security).
Technical details
The vulnerability exists in the dltconfigfile_parser.c file of dlt-daemon v2.18.8, where attackers can trigger a double free condition through specially crafted TCP packets. This issue was addressed through a fix implemented in commit 6a3bd901d825c7206797e36ea98e10a218f5aad2 (GitHub Commit).
Impact
When successfully exploited, the vulnerability can lead to a double free condition in the system, which could potentially result in program crashes or other undefined behavior. The vulnerability has been assigned a CVSS 3.1 base score of 7.5 (High), indicating significant potential impact on system availability (Ubuntu Security).
Mitigation and workarounds
The vulnerability has been fixed in multiple distributions. Debian has released version 2.18.0-1+deb10u1 for Debian 10 (Buster), version 2.18.6-1+deb11u1 for Debian 11 (Bullseye), and version 2.18.10-10 for Debian Sid/Trixie. Users are strongly recommended to upgrade their dlt-daemon packages to these patched versions (Debian LTS).
Additional resources
Source: This report was generated using AI
Related Linux Debian vulnerabilities:
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