Entreprise d'experts en Sécurité Informatique : Audits et conseils en cybersécurité
Entreprise française de cybersécurité depuis 2004
☎ 03 60 47 09 81 - info@securiteinfo.com


CVE-2024-56708

Description

In the Linux kernel, the following vulnerability has been resolved:EDAC/igen6: Avoid segmentation fault on module unloadThe segmentation fault happens because:During modprobe:1. In igen6_probe(), igen6_pvt will be allocated with kzalloc()2. In igen6_register_mci(), mci->pvt_info will point to &igen6_pvt->imc[mc]During rmmod:1. In mci_release() in edac_mc.c, it will kfree(mci->pvt_info)2. In igen6_remove(), it will kfree(igen6_pvt);Fix this issue by setting mci->pvt_info to NULL to avoid the doublekfree.

POC

Reference

No PoCs from references.

Github

- https://github.com/cku-heise/euvd-api-doc

- https://github.com/fkie-cad/nvd-json-data-feeds

- https://github.com/w4zu/Debian_security