CVEs-PoC/2020/CVE-2020-25669.md

CVE-2020-25669

Description

A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is set to NULL in sunkbd_disconnect, there is still an alias in sunkbd_reinit causing Use After Free.

POC

Reference

• http://www.openwall.com/lists/oss-security/2020/11/05/2
• http://www.openwall.com/lists/oss-security/2020/11/20/5
• https://www.openwall.com/lists/oss-security/2020/11/05/2,
• https://www.openwall.com/lists/oss-security/2020/11/20/5,

Github

No PoCs found on GitHub currently.