Vigil@nce - Linux kernel: memory leak via unix_stream_recvmsg
March 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Linux, RHEL.
– Severity: 1/4.
– Consequences: denial of service on server, denial of service on
service.
– Provenance: user shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 11/03/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can create a memory leak via unix_stream_recvmsg() of
the Linux kernel, in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Linux-kernel-memory-leak-via-unix-stream-recvmsg-34830