Vigil@nce - Linux kernel: denial of service via make_bad_inode
April 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux, openSUSE Leap, SLES.
Severity: 1/4.
Consequences: denial of service on server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 15/04/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a fatal error via make_bad_inode() 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-denial-of-service-via-make-bad-inode-35087