Description
A flaw possibility of race condition and incorrect initialization of the process id was found in the Linux kernel child/parent process identification handling while filtering signal handlers. A local attacker is able to abuse this flaw to bypass checks to send any signal to a privileged process.
Metrics
CVSS 3.1 4.5/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:LWeakness enumeration
Affected software
No affected versions have been published.
Timeline
- Published
- Mar 26, 2021
- Last modified
- Jun 17, 2026
- NVD status
- Modified