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.
Related CPE's
o
linux
linux_kernel
References
https://bugzilla.redhat.com/show_bug.cgi?id=1902724
https://github.com/torvalds/linux/commit/b4e00444cab4c3f3fec876dc0cccc8cbb0d1a948
https://security.netapp.com/advisory/ntap-20210513-0006/
CVSS impact metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
4.5 · Medium
CVSS V3.1
CVSS V3.0
CVSS V2.0
Information
Source identifier
Vulnerability status
Modified
Published
2021-03-26T17:15:12.203
4 years agoLast modified
2023-02-12T23:41:00.150
2 years ago