Vigil@nce - Linux kernel: NULL pointer dereference via fscrypt_do_page_crypto
February 2019 by Vigil@nce
This bulletin was written by Vigil@nce :
SYNTHESIS OF THE VULNERABILITY
Impacted products: Linux, Slackware.
Consequences: denial of service on server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 31/01/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a NULL pointer to be dereferenced via fscrypt_do_page_crypto() of the Linux kernel, in order to trigger a denial of service.
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