CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 8.4. See the original NVD description below for full technical details.
CVE
CVE-2026-5398
Severity
HIGH
CVSS
8.4
EPSS
0.17%
Original NVD Description
The implementation of TIOCNOTTY failed to clear a back-pointer from the structure representing the controlling terminal to the calling process' session. If the invoking process then exits, the terminal structure may end up containing a pointer to freed memory. A malicious process can abuse the dangling pointer to grant itself root privileges.
Related CVEs
Other vulnerabilities affecting the same vendor(s)